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272197808 = 24157108359
BaseRepresentation
bin10000001110010…
…110100010110000
3200222012002012022
4100032112202300
51024140312213
643002051012
76513433421
oct2016264260
9628162168
10272197808
1112a715273
12771a9a68
13445152bc
1428217648
1518d6b308
hex103968b0

272197808 has 20 divisors (see below), whose sum is σ = 530747280. Its totient is φ = 135230784.

The previous prime is 272197787. The next prime is 272197831. The reversal of 272197808 is 808791272.

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 3 ways as a sum of consecutive naturals, for example, 51668 + ... + 56691.

It is an arithmetic number, because the mean of its divisors is an integer number (26537364).

Almost surely, 2272197808 is an apocalyptic number.

It is an amenable number.

272197808 is a deficient number, since it is larger than the sum of its proper divisors (258549472).

272197808 is a wasteful number, since it uses less digits than its factorization.

272197808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108524 (or 108518 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 272197808 is about 16498.4183484357. The cubic root of 272197808 is about 648.0793861995.

The spelling of 272197808 in words is "two hundred seventy-two million, one hundred ninety-seven thousand, eight hundred eight".

Divisors: 1 2 4 8 16 157 314 628 1256 2512 108359 216718 433436 866872 1733744 17012363 34024726 68049452 136098904 272197808