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89722925 = 523588917
BaseRepresentation
bin1010101100100…
…01000000101101
320020211101201022
411112101000231
5140432113200
612523023525
72136426605
oct526210055
9206741638
1089722925
1146712186
122606aba5
1315785ab6
14bcb7c05
157d24885
hex559102d

89722925 has 6 divisors (see below), whose sum is σ = 111256458. Its totient is φ = 71778320.

The previous prime is 89722909. The next prime is 89722937. The reversal of 89722925 is 52922798.

It can be written as a sum of positive squares in 3 ways, for example, as 30448324 + 59274601 = 5518^2 + 7699^2 .

It is not a de Polignac number, because 89722925 - 24 = 89722909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1794434 + ... + 1794483.

It is an arithmetic number, because the mean of its divisors is an integer number (18542743).

Almost surely, 289722925 is an apocalyptic number.

It is an amenable number.

89722925 is a deficient number, since it is larger than the sum of its proper divisors (21533533).

89722925 is a wasteful number, since it uses less digits than its factorization.

89722925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588927 (or 3588922 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 89722925 is about 9472.2185891163. The cubic root of 89722925 is about 447.6801184980.

The spelling of 89722925 in words is "eighty-nine million, seven hundred twenty-two thousand, nine hundred twenty-five".

Divisors: 1 5 25 3588917 17944585 89722925