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275472630 = 23351020269
BaseRepresentation
bin10000011010110…
…110000011110110
3201012100110102000
4100122312003312
51031010111010
643200200130
76553323126
oct2032660366
9635313360
10275472630
11131551734
1278309046
13450c0a74
142882ac86
15192b67c0
hex106b60f6

275472630 has 32 divisors (see below), whose sum is σ = 734594400. Its totient is φ = 73459296.

The previous prime is 275472629. The next prime is 275472647. The reversal of 275472630 is 36274572.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509865 + ... + 510404.

It is an arithmetic number, because the mean of its divisors is an integer number (22956075).

Almost surely, 2275472630 is an apocalyptic number.

275472630 is an abundant number, since it is smaller than the sum of its proper divisors (459121770).

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

275472630 is a wasteful number, since it uses less digits than its factorization.

275472630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020285 (or 1020279 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 275472630 is about 16597.3681648628. The cubic root of 275472630 is about 650.6680547711.

The spelling of 275472630 in words is "two hundred seventy-five million, four hundred seventy-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1020269 2040538 3060807 5101345 6121614 9182421 10202690 15304035 18364842 27547263 30608070 45912105 55094526 91824210 137736315 275472630