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271428132 = 22322619011
BaseRepresentation
bin10000001011011…
…010101000100100
3200220201222101210
4100023122220210
51023441200012
642533351420
76504046443
oct2013325044
9626658353
10271428132
1112a239a78
1276a98570
1344305b81
1428096d5a
1518c6823c
hex102daa24

271428132 has 12 divisors (see below), whose sum is σ = 633332336. Its totient is φ = 90476040.

The previous prime is 271428127. The next prime is 271428151. The reversal of 271428132 is 231824172.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 271428132.

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, 11309494 + ... + 11309517.

Almost surely, 2271428132 is an apocalyptic number.

It is an amenable number.

271428132 is an abundant number, since it is smaller than the sum of its proper divisors (361904204).

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

271428132 is a wasteful number, since it uses less digits than its factorization.

271428132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22619018 (or 22619016 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 271428132 is about 16475.0760848016. The cubic root of 271428132 is about 647.4679655991.

The spelling of 271428132 in words is "two hundred seventy-one million, four hundred twenty-eight thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 22619011 45238022 67857033 90476044 135714066 271428132