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472974090 = 23559267217
BaseRepresentation
bin11100001100010…
…000001100001010
31012221222120110220
4130030100030022
51432040132330
6114533250510
714502133131
oct3414201412
91187876426
10472974090
11222a88486
12112493a36
1376cb1a34
1446b5c918
152b7ca710
hex1c31030a

472974090 has 32 divisors (see below), whose sum is σ = 1154381760. Its totient is φ = 123988224.

The previous prime is 472974077. The next prime is 472974091. The reversal of 472974090 is 90479274.

It is a super-2 number, since 2×4729740902 = 447408979622656200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (472974091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131839 + ... + 135378.

It is an arithmetic number, because the mean of its divisors is an integer number (36074430).

Almost surely, 2472974090 is an apocalyptic number.

472974090 is an abundant number, since it is smaller than the sum of its proper divisors (681407670).

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

472974090 is a wasteful number, since it uses less digits than its factorization.

472974090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267286.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 472974090 is about 21747.9674912393. The cubic root of 472974090 is about 779.1345265640.

The spelling of 472974090 in words is "four hundred seventy-two million, nine hundred seventy-four thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 267217 534434 801651 1336085 1603302 2672170 4008255 8016510 15765803 31531606 47297409 78829015 94594818 157658030 236487045 472974090