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252442125 = 32531341421
BaseRepresentation
bin11110000101111…
…11011000001101
3122121000101111100
433002333120031
51004111122000
641014413313
76153502605
oct1702773015
9577011440
10252442125
1111a551561
1270661239
13403b9150
1425753c05
1517267a00
hexf0bf60d

252442125 has 96 divisors (see below), whose sum is σ = 503219808. Its totient is φ = 120960000.

The previous prime is 252442111. The next prime is 252442159. The reversal of 252442125 is 521244252.

It can be written as a sum of positive squares in 16 ways, for example, as 235376964 + 17065161 = 15342^2 + 4131^2 .

It is not a de Polignac number, because 252442125 - 212 = 252438029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 599415 + ... + 599835.

It is an arithmetic number, because the mean of its divisors is an integer number (5241873).

Almost surely, 2252442125 is an apocalyptic number.

252442125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252442125 is a deficient number, since it is larger than the sum of its proper divisors (250777683).

252442125 is a wasteful number, since it uses less digits than its factorization.

252442125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 483 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 252442125 is about 15888.4273922878. The cubic root of 252442125 is about 632.0051381906.

Adding to 252442125 its reverse (521244252), we get a palindrome (773686377).

The spelling of 252442125 in words is "two hundred fifty-two million, four hundred forty-two thousand, one hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 39 41 45 65 75 117 123 125 195 205 225 325 369 375 421 533 585 615 975 1025 1125 1263 1599 1625 1845 2105 2665 2925 3075 3789 4797 4875 5125 5473 6315 7995 9225 10525 13325 14625 15375 16419 17261 18945 23985 27365 31575 39975 46125 49257 51783 52625 66625 82095 86305 94725 119925 136825 155349 157875 199875 224393 246285 258915 410475 431525 473625 599625 673179 684125 776745 1121965 1231425 1294575 2019537 2052375 2157625 3365895 3883725 5609825 6157125 6472875 10097685 16829475 19418625 28049125 50488425 84147375 252442125