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229971264 = 2631197767
BaseRepresentation
bin11011011010100…
…01010101000000
3121000201202021020
431231101111000
5432333040024
634453025440
75461503105
oct1555212500
9530652236
10229971264
111088a38a6
1265025280
133884c193
1422784aac
15152c9979
hexdb51540

229971264 has 28 divisors (see below), whose sum is σ = 608466144. Its totient is φ = 76657024.

The previous prime is 229971263. The next prime is 229971271. The reversal of 229971264 is 462179922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229971263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598692 + ... + 599075.

Almost surely, 2229971264 is an apocalyptic number.

229971264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

229971264 is an abundant number, since it is smaller than the sum of its proper divisors (378494880).

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

229971264 is a wasteful number, since it uses less digits than its factorization.

229971264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197782 (or 1197772 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 229971264 is about 15164.8034606453. The cubic root of 229971264 is about 612.6670500346.

The spelling of 229971264 in words is "two hundred twenty-nine million, nine hundred seventy-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 1197767 2395534 3593301 4791068 7186602 9582136 14373204 19164272 28746408 38328544 57492816 76657088 114985632 229971264