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230270844 = 22319189237
BaseRepresentation
bin11011011100110…
…10011101111100
3121001021222012210
431232122131330
5432422131334
634503300420
75464161366
oct1556323574
9531258183
10230270844
11108a88991
126514a710
133892564b
1422821d36
15153385e9
hexdb9a77c

230270844 has 12 divisors (see below), whose sum is σ = 537298664. Its totient is φ = 76756944.

The previous prime is 230270839. The next prime is 230270851. The reversal of 230270844 is 448072032.

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

It is a congruent number.

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, 9594607 + ... + 9594630.

Almost surely, 2230270844 is an apocalyptic number.

It is an amenable number.

230270844 is an abundant number, since it is smaller than the sum of its proper divisors (307027820).

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

230270844 is a wasteful number, since it uses less digits than its factorization.

230270844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19189244 (or 19189242 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 230270844 is about 15174.6777231017. The cubic root of 230270844 is about 612.9329718862.

The spelling of 230270844 in words is "two hundred thirty million, two hundred seventy thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 19189237 38378474 57567711 76756948 115135422 230270844