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725885066 = 2641566213
BaseRepresentation
bin101011010001000…
…010000010001010
31212120212210010002
4223101002002022
52441311310231
6200010123002
723662630664
oct5321020212
91776783102
10725885066
1134281a215
12183120462
13b75033ba
146c595534
1543ad70cb
hex2b44208a

725885066 has 8 divisors (see below), whose sum is σ = 1090528164. Its totient is φ = 362375680.

The previous prime is 725885009. The next prime is 725885089. The reversal of 725885066 is 660588527.

It can be written as a sum of positive squares in 2 ways, for example, as 725171041 + 714025 = 26929^2 + 845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 725885066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281825 + ... + 284388.

Almost surely, 2725885066 is an apocalyptic number.

725885066 is a deficient number, since it is larger than the sum of its proper divisors (364643098).

725885066 is a wasteful number, since it uses less digits than its factorization.

725885066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566856.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 725885066 is about 26942.2542857869. The cubic root of 725885066 is about 898.7163040544.

The spelling of 725885066 in words is "seven hundred twenty-five million, eight hundred eighty-five thousand, sixty-six".

Divisors: 1 2 641 1282 566213 1132426 362942533 725885066