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264388272 = 2438216709
BaseRepresentation
bin11111100001000…
…11111010110000
3200102111022112020
433300203322300
51020140411042
642122431440
76360156201
oct1760437260
9612438466
10264388272
11126270905
1274662580
1342a0c785
14271835a8
15183273ec
hexfc23eb0

264388272 has 40 divisors (see below), whose sum is σ = 683936880. Its totient is φ = 88008960.

The previous prime is 264388259. The next prime is 264388277. The reversal of 264388272 is 272883462.

264388272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2643882722 = 139802316742291968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264388277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36054 + ... + 42762.

It is an arithmetic number, because the mean of its divisors is an integer number (17098422).

Almost surely, 2264388272 is an apocalyptic number.

It is an amenable number.

264388272 is an abundant number, since it is smaller than the sum of its proper divisors (419548608).

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

264388272 is a wasteful number, since it uses less digits than its factorization.

264388272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541 (or 7535 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 264388272 is about 16260.0206641935. The cubic root of 264388272 is about 641.8212058279.

The spelling of 264388272 in words is "two hundred sixty-four million, three hundred eighty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 821 1642 2463 3284 4926 6568 6709 9852 13136 13418 19704 20127 26836 39408 40254 53672 80508 107344 161016 322032 5508089 11016178 16524267 22032356 33048534 44064712 66097068 88129424 132194136 264388272