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725725975 = 52132233003
BaseRepresentation
bin101011010000011…
…011001100010111
31212120120200212211
4223100123030113
52441241212400
6200002454251
723661366112
oct5320331427
91776520784
10725725975
11342720737
12183064387
13b7478b70
146c553579
1543aa4dba
hex2b41b317

725725975 has 12 divisors (see below), whose sum is σ = 969123736. Its totient is φ = 535920480.

The previous prime is 725725963. The next prime is 725725991. The reversal of 725725975 is 579527527.

725725975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725725975 - 25 = 725725943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1116177 + ... + 1116826.

Almost surely, 2725725975 is an apocalyptic number.

725725975 is a deficient number, since it is larger than the sum of its proper divisors (243397761).

725725975 is a wasteful number, since it uses less digits than its factorization.

725725975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233026 (or 2233021 counting only the distinct ones).

The product of its digits is 1543500, while the sum is 49.

The square root of 725725975 is about 26939.3016798877. The cubic root of 725725975 is about 898.6506425473.

The spelling of 725725975 in words is "seven hundred twenty-five million, seven hundred twenty-five thousand, nine hundred seventy-five".

Divisors: 1 5 13 25 65 325 2233003 11165015 29029039 55825075 145145195 725725975