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271985992 = 23172472503
BaseRepresentation
bin10000001101100…
…010110101001000
3200221210022122021
4100031202311020
51024112022432
642553334224
76511562035
oct2015426510
9627708567
10271985992
1112a590113
1277107374
134446ca75
14281a038c
1518d28697
hex10362d48

271985992 has 48 divisors (see below), whose sum is σ = 553484160. Its totient is φ = 125220096.

The previous prime is 271985981. The next prime is 271986037. The reversal of 271985992 is 299589172.

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 11 ways as a sum of consecutive naturals, for example, 107413 + ... + 109915.

It is an arithmetic number, because the mean of its divisors is an integer number (11530920).

Almost surely, 2271985992 is an apocalyptic number.

It is an amenable number.

271985992 is an abundant number, since it is smaller than the sum of its proper divisors (281498168).

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

271985992 is a wasteful number, since it uses less digits than its factorization.

271985992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 2569 counting only the distinct ones).

The product of its digits is 816480, while the sum is 52.

The square root of 271985992 is about 16491.9978171233. The cubic root of 271985992 is about 647.9112373974.

The spelling of 271985992 in words is "two hundred seventy-one million, nine hundred eighty-five thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 17 34 47 68 94 136 188 289 376 578 799 1156 1598 2312 2503 3196 5006 6392 10012 13583 20024 27166 42551 54332 85102 108664 117641 170204 235282 340408 470564 723367 941128 1446734 1999897 2893468 3999794 5786936 7999588 15999176 33998249 67996498 135992996 271985992