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470865813 = 31121776303
BaseRepresentation
bin11100000100001…
…101011110010101
31012211000110110120
4130010031132111
51431020201223
6114420142153
714445202425
oct3404153625
91184013416
10470865813
11221878500
12111837959
1376724232
1446770485
152b510be3
hex1c10d795

470865813 has 24 divisors (see below), whose sum is σ = 730687104. Its totient is φ = 268583040.

The previous prime is 470865797. The next prime is 470865817. The reversal of 470865813 is 318568074.

It is not a de Polignac number, because 470865813 - 24 = 470865797 is a prime.

It is a super-2 number, since 2×4708658132 = 443429227704301938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470865817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31981 + ... + 44322.

It is an arithmetic number, because the mean of its divisors is an integer number (30445296).

Almost surely, 2470865813 is an apocalyptic number.

It is an amenable number.

470865813 is a deficient number, since it is larger than the sum of its proper divisors (259821291).

470865813 is a wasteful number, since it uses less digits than its factorization.

470865813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76345 (or 76334 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 470865813 is about 21699.4426886959. The cubic root of 470865813 is about 777.9751409023.

The spelling of 470865813 in words is "four hundred seventy million, eight hundred sixty-five thousand, eight hundred thirteen".

Divisors: 1 3 11 17 33 51 121 187 363 561 2057 6171 76303 228909 839333 1297151 2517999 3891453 9232663 14268661 27697989 42805983 156955271 470865813