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472257276 = 22339354773
BaseRepresentation
bin11100001001100…
…001001011111100
31012220122011012020
4130021201023330
51431344213101
6114510040140
714463056241
oct3411411374
91186564166
10472257276
11222638977
121121a9050
1376ac069a
1446a135c8
152b6d8136
hex1c2612fc

472257276 has 12 divisors (see below), whose sum is σ = 1101933672. Its totient is φ = 157419088.

The previous prime is 472257251. The next prime is 472257329. The reversal of 472257276 is 672752274.

It is a happy number.

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

It is a congruent number.

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, 19677375 + ... + 19677398.

It is an arithmetic number, because the mean of its divisors is an integer number (91827806).

Almost surely, 2472257276 is an apocalyptic number.

It is an amenable number.

472257276 is an abundant number, since it is smaller than the sum of its proper divisors (629676396).

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

472257276 is a wasteful number, since it uses less digits than its factorization.

472257276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39354780 (or 39354778 counting only the distinct ones).

The product of its digits is 329280, while the sum is 42.

The square root of 472257276 is about 21731.4812196500. The cubic root of 472257276 is about 778.7407228106.

The spelling of 472257276 in words is "four hundred seventy-two million, two hundred fifty-seven thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 39354773 78709546 118064319 157419092 236128638 472257276