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897070925 = 5235882837
BaseRepresentation
bin110101011110000…
…011011101001101
32022111222220222002
4311132003131031
53314122232200
6225003202045
731141656062
oct6536033515
92274886862
10897070925
11420411733
12210516325
13113b0c3ca
14871d6c69
1553b4dbd5
hex3578374d

897070925 has 6 divisors (see below), whose sum is σ = 1112367978. Its totient is φ = 717656720.

The previous prime is 897070907. The next prime is 897070969. The reversal of 897070925 is 529070798.

It can be written as a sum of positive squares in 3 ways, for example, as 188073796 + 708997129 = 13714^2 + 26627^2 .

It is not a de Polignac number, because 897070925 - 26 = 897070861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 897070925.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17941394 + ... + 17941443.

It is an arithmetic number, because the mean of its divisors is an integer number (185394663).

Almost surely, 2897070925 is an apocalyptic number.

It is an amenable number.

897070925 is a deficient number, since it is larger than the sum of its proper divisors (215297053).

897070925 is a wasteful number, since it uses less digits than its factorization.

897070925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35882847 (or 35882842 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 897070925 is about 29951.1422987505. The cubic root of 897070925 is about 964.4408422711.

The spelling of 897070925 in words is "eight hundred ninety-seven million, seventy thousand, nine hundred twenty-five".

Divisors: 1 5 25 35882837 179414185 897070925