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1030370625 = 345420353
BaseRepresentation
bin111101011010100…
…011010101000001
32122210211020210000
4331122203111001
54102233330000
6250124230213
734351001664
oct7532432501
92583736700
101030370625
11489687779
1224909b369
13135611a7b
149abb56db
15606d0000
hex3d6a3541

1030370625 has 50 divisors (see below), whose sum is σ = 1923473354. Its totient is φ = 549504000.

The previous prime is 1030370573. The next prime is 1030370639. The reversal of 1030370625 is 5260730301.

It is a happy number.

1030370625 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 37 + 0 + 625 = 666.

1030370625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 469675584 + 560695041 = 21672^2 + 23679^2 .

It is not a de Polignac number, because 1030370625 - 29 = 1030370113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 40449 + ... + 60801.

Almost surely, 21030370625 is an apocalyptic number.

1030370625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1030370625 is a deficient number, since it is larger than the sum of its proper divisors (893102729).

1030370625 is an frugal number, since it uses more digits than its factorization.

1030370625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20385 (or 20361 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 1030370625 is about 32099.3866763837. The cubic root of 1030370625 is about 1010.0227505250.

The spelling of 1030370625 in words is "one billion, thirty million, three hundred seventy thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 625 675 1125 1875 2025 3375 5625 10125 16875 20353 50625 61059 101765 183177 305295 508825 549531 915885 1526475 1648593 2544125 2747655 4579425 7632375 8242965 12720625 13738275 22897125 38161875 41214825 68691375 114485625 206074125 343456875 1030370625