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10572980625 = 34544572
BaseRepresentation
bin10011101100011001…
…01110000110010001
31000021211221001210000
421312030232012101
5133123140340000
64505051400213
7523002565254
oct116614560621
930254831700
1010572980625
114536198919
122070a53069
13cc661596c
147242b509b
1541d340000
hex27632e191

10572980625 has 75 divisors (see below), whose sum is σ = 19779720807. Its totient is φ = 5626584000.

The previous prime is 10572980581. The next prime is 10572980633. The reversal of 10572980625 is 52608927501.

The square root of 10572980625 is 102825.

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

10572980625 is a `hidden beast` number, since 10 + 5 + 7 + 2 + 9 + 8 + 0 + 625 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 3976941969 + 6596038656 = 63063^2 + 81216^2 .

It is a tau number, because it is divible by the number of its divisors (75).

It is not a de Polignac number, because 10572980625 - 221 = 10570883473 is a prime.

It is a super-2 number, since 2×105729806252 (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 23135397 + ... + 23135853.

Almost surely, 210572980625 is an apocalyptic number.

10572980625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10572980625 is the 102825-th square number.

10572980625 is the 51413-rd centered octagonal number.

It is an amenable number.

10572980625 is a deficient number, since it is larger than the sum of its proper divisors (9206740182).

10572980625 is an frugal number, since it uses more digits than its factorization.

10572980625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 10572980625 in words is "ten billion, five hundred seventy-two million, nine hundred eighty thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 457 625 675 1125 1371 1875 2025 2285 3375 4113 5625 6855 10125 11425 12339 16875 20565 34275 37017 50625 57125 61695 102825 171375 185085 208849 285625 308475 514125 626547 856875 925425 1044245 1542375 1879641 2570625 3132735 4627125 5221225 5638923 7711875 9398205 15663675 16916769 23135625 26106125 28194615 46991025 78318375 84583845 130530625 140973075 234955125 391591875 422919225 704865375 1174775625 2114596125 3524326875 10572980625