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230725674 = 23212818093
BaseRepresentation
bin11011100000010…
…01100000101010
3121002011002010100
431300021200222
5433031210144
634521130230
75501064414
oct1560114052
9532132110
10230725674
11109269683
1265329976
1338a5468a
14228dd9b4
15153c8269
hexdc0982a

230725674 has 12 divisors (see below), whose sum is σ = 499905666. Its totient is φ = 76908552.

The previous prime is 230725661. The next prime is 230725699. The reversal of 230725674 is 476527032.

It is a happy number.

230725674 is a `hidden beast` number, since 23 + 0 + 72 + 567 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 200420649 + 30305025 = 14157^2 + 5505^2 .

It is an alternating number because its digits alternate between even and odd.

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, 6409029 + ... + 6409064.

Almost surely, 2230725674 is an apocalyptic number.

230725674 is an abundant number, since it is smaller than the sum of its proper divisors (269179992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230725674 is a wasteful number, since it uses less digits than its factorization.

230725674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12818101 (or 12818098 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 230725674 is about 15189.6568098163. The cubic root of 230725674 is about 613.3362606849.

It can be divided in two parts, 230 and 725674, that added together give a square (725904 = 8522).

The spelling of 230725674 in words is "two hundred thirty million, seven hundred twenty-five thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 12818093 25636186 38454279 76908558 115362837 230725674