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37077428025 = 34521123892
BaseRepresentation
bin100010100001111111…
…001010011100111001
310112200222201111110000
4202201333022130321
51101413310144100
625011053543213
72451545636541
oct424177123471
9115628644400
1037077428025
11147a7272500
1272291a4b09
13365b73a831
141b1a39c321
15e70139900
hex8a1fca739

37077428025 has 135 divisors (see below), whose sum is σ = 75686038813. Its totient is φ = 17930721600.

The previous prime is 37077427999. The next prime is 37077428027. The reversal of 37077428025 is 52082477073.

The square root of 37077428025 is 192555.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6163349049 + 30914078976 = 78507^2 + 175824^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 37077428025 - 27 = 37077427897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (37077428027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 95314531 + ... + 95314919.

Almost surely, 237077428025 is an apocalyptic number.

37077428025 is the 192555-th square number.

37077428025 is the 96278-th centered octagonal number.

It is an amenable number.

37077428025 is an abundant number, since it is smaller than the sum of its proper divisors (38608610788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37077428025 is an equidigital number, since it uses as much as digits as its factorization.

37077428025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 37077428025 in words is "thirty-seven billion, seventy-seven million, four hundred twenty-eight thousand, twenty-five".

Divisors: 1 3 5 9 11 15 25 27 33 45 55 75 81 99 121 135 165 225 275 297 363 389 405 495 605 675 825 891 1089 1167 1485 1815 1945 2025 2475 3025 3267 3501 4279 4455 5445 5835 7425 9075 9725 9801 10503 12837 16335 17505 21395 22275 27225 29175 31509 38511 47069 49005 52515 64185 81675 87525 106975 115533 141207 151321 157545 192555 235345 245025 262575 320925 346599 423621 453963 577665 706035 756605 787725 962775 1176725 1270863 1361889 1664531 1732995 2118105 2269815 2888325 3530175 3783025 3812589 4085667 4993593 6354315 6809445 8322655 8664975 10590525 11349075 12257001 14980779 18309841 19062945 20428335 24967965 31771575 34047225 41613275 44942337 54929523 61285005 74903895 91549205 95314725 102141675 124839825 134827011 164788569 224711685 274647615 306425025 374519475 457746025 494365707 674135055 823942845 1123558425 1373238075 1483097121 2471828535 3370675275 4119714225 7415485605 12359142675 37077428025