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928725625 = 54232532
BaseRepresentation
bin110111010110110…
…011101001111001
32101201120011001101
4313112303221321
53400223210000
6232053451401
732005015612
oct6726635171
92351504041
10928725625
11437272343
1221b040b61
1311a5435b9
148b4b6c09
1556802e6a
hex375b3a79

928725625 has 45 divisors (see below), whose sum is σ = 1236509659. Its totient is φ = 697268000.

The previous prime is 928725617. The next prime is 928725673. The reversal of 928725625 is 526527829.

The square root of 928725625 is 30475.

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

928725625 is digitally balanced in base 6, 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 7 ways, for example, as 515335401 + 413390224 = 22701^2 + 20332^2 .

It is not a de Polignac number, because 928725625 - 23 = 928725617 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 44 ways as a sum of consecutive naturals, for example, 17523099 + ... + 17523151.

Almost surely, 2928725625 is an apocalyptic number.

928725625 is the 30475-th square number.

928725625 is the 15238-th centered octagonal number.

It is an amenable number.

928725625 is a deficient number, since it is larger than the sum of its proper divisors (307784034).

928725625 is an frugal number, since it uses more digits than its factorization.

928725625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 81 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The cubic root of 928725625 is about 975.6539553178.

The spelling of 928725625 in words is "nine hundred twenty-eight million, seven hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 23 25 53 115 125 265 529 575 625 1219 1325 2645 2809 2875 6095 6625 13225 14045 14375 28037 30475 33125 64607 66125 70225 140185 152375 323035 330625 351125 700925 761875 1485961 1615175 1755625 3504625 7429805 8075875 17523125 37149025 40379375 185745125 928725625