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271143172 = 22412916417
BaseRepresentation
bin10000001010010…
…101000100000100
3200220012111111201
4100022111010010
51023403040142
642523312244
76501451606
oct2012250404
9626174451
10271143172
1112a064973
127697b684
1344236261
1428021176
1518c0dab7
hex10295104

271143172 has 12 divisors (see below), whose sum is σ = 474644380. Its totient is φ = 135530496.

The previous prime is 271143163. The next prime is 271143193. The reversal of 271143172 is 271341172.

It can be written as a sum of positive squares in 2 ways, for example, as 107661376 + 163481796 = 10376^2 + 12786^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 271143172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8308 + ... + 24724.

Almost surely, 2271143172 is an apocalyptic number.

It is an amenable number.

271143172 is a deficient number, since it is larger than the sum of its proper divisors (203501208).

271143172 is a wasteful number, since it uses less digits than its factorization.

271143172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20550 (or 20548 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 271143172 is about 16466.4255987752. The cubic root of 271143172 is about 647.2413039107.

The spelling of 271143172 in words is "two hundred seventy-one million, one hundred forty-three thousand, one hundred seventy-two".

Divisors: 1 2 4 4129 8258 16417 16516 32834 65668 67785793 135571586 271143172