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272131688 = 2341598179
BaseRepresentation
bin10000001110000…
…110011001101000
3200222001201111102
4100032012121220
51024131203223
643000420532
76513036563
oct2016063150
9628051442
10272131688
1112a67a624
1277177748
13444c118a
14281db4da
1518d56928
hex10386668

272131688 has 16 divisors (see below), whose sum is σ = 510432000. Its totient is φ = 136016496.

The previous prime is 272131687. The next prime is 272131697. The reversal of 272131688 is 886131272.

272131688 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 2×2721316882 = 148111311227458688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (272131681) by changing a digit.

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, 29183 + ... + 37361.

It is an arithmetic number, because the mean of its divisors is an integer number (31902000).

Almost surely, 2272131688 is an apocalyptic number.

It is an amenable number.

272131688 is a deficient number, since it is larger than the sum of its proper divisors (238300312).

272131688 is a wasteful number, since it uses less digits than its factorization.

272131688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344 (or 12340 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 272131688 is about 16496.4143982867. The cubic root of 272131688 is about 648.0269066204.

The spelling of 272131688 in words is "two hundred seventy-two million, one hundred thirty-one thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 4159 8179 8318 16358 16636 32716 33272 65432 34016461 68032922 136065844 272131688