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469997144 = 23227258809
BaseRepresentation
bin11100000000111…
…001011001011000
31012202101022212122
4130000321121120
51430304402034
6114345400412
714434624031
oct3400713130
91182338778
10469997144
112213348a1
12111499108
13764aba26
14465c5a88
152b3dd62e
hex1c039658

469997144 has 16 divisors (see below), whose sum is σ = 885130200. Its totient is φ = 233962432.

The previous prime is 469997123. The next prime is 469997153. The reversal of 469997144 is 441799964.

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, 127589 + ... + 131220.

Almost surely, 2469997144 is an apocalyptic number.

It is an amenable number.

469997144 is a deficient number, since it is larger than the sum of its proper divisors (415133056).

469997144 is a wasteful number, since it uses less digits than its factorization.

469997144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259042 (or 259038 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 469997144 is about 21679.4175198505. The cubic root of 469997144 is about 777.4964348840.

The spelling of 469997144 in words is "four hundred sixty-nine million, nine hundred ninety-seven thousand, one hundred forty-four".

Divisors: 1 2 4 8 227 454 908 1816 258809 517618 1035236 2070472 58749643 117499286 234998572 469997144