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230464644 = 22319205387
BaseRepresentation
bin11011011110010…
…01110010000100
3121001122211001120
431233021302010
5432444332034
634511353540
75465626404
oct1557116204
9531584046
10230464644
11109100553
12652228b0
1338992917
1422872804
1515375c49
hexdbc9c84

230464644 has 12 divisors (see below), whose sum is σ = 537750864. Its totient is φ = 76821544.

The previous prime is 230464639. The next prime is 230464687. The reversal of 230464644 is 446464032.

230464644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2304646442 = 106227904268093472, which contains 22 as substring.

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, 9602682 + ... + 9602705.

It is an arithmetic number, because the mean of its divisors is an integer number (44812572).

Almost surely, 2230464644 is an apocalyptic number.

It is an amenable number.

230464644 is an abundant number, since it is smaller than the sum of its proper divisors (307286220).

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

230464644 is a wasteful number, since it uses less digits than its factorization.

230464644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19205394 (or 19205392 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 230464644 is about 15181.0620181857. The cubic root of 230464644 is about 613.1048753995.

The spelling of 230464644 in words is "two hundred thirty million, four hundred sixty-four thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 19205387 38410774 57616161 76821548 115232322 230464644