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272831164 = 221712793137
BaseRepresentation
bin10000010000110…
…001001010111100
3201000101020222221
4100100301022330
51024321044124
643023415124
76522012064
oct2020611274
9630336887
10272831164
11130008101
12774544a4
13446a7678
14283403a4
1518e43ce4
hex104312bc

272831164 has 24 divisors (see below), whose sum is σ = 506096640. Its totient is φ = 128249856.

The previous prime is 272831137. The next prime is 272831201. The reversal of 272831164 is 461138272.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 85404 + ... + 88540.

It is an arithmetic number, because the mean of its divisors is an integer number (21087360).

Almost surely, 2272831164 is an apocalyptic number.

It is an amenable number.

272831164 is a deficient number, since it is larger than the sum of its proper divisors (233265476).

272831164 is a wasteful number, since it uses less digits than its factorization.

272831164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437 (or 4435 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 272831164 is about 16517.6016418849. The cubic root of 272831164 is about 648.5816520846.

The spelling of 272831164 in words is "two hundred seventy-two million, eight hundred thirty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 17 34 68 1279 2558 3137 5116 6274 12548 21743 43486 53329 86972 106658 213316 4012223 8024446 16048892 68207791 136415582 272831164