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475306664 = 23721212517
BaseRepresentation
bin11100010101001…
…001101010101000
31020010101002011112
4130111021222220
51433134303124
6115055245452
714531016500
oct3425115250
91203332145
10475306664
11224330a28
12113219888
137761a661
14471a8a00
152badb90e
hex1c549aa8

475306664 has 24 divisors (see below), whose sum is σ = 1036702890. Its totient is φ = 203702688.

The previous prime is 475306627. The next prime is 475306687. The reversal of 475306664 is 466603574.

It can be written as a sum of positive squares in only one way, i.e., 472714564 + 2592100 = 21742^2 + 1610^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605867 + ... + 606650.

Almost surely, 2475306664 is an apocalyptic number.

It is an amenable number.

475306664 is an abundant number, since it is smaller than the sum of its proper divisors (561396226).

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

475306664 is a wasteful number, since it uses less digits than its factorization.

475306664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212537 (or 1212526 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 475306664 is about 21801.5289372099. The cubic root of 475306664 is about 780.4132502269.

The spelling of 475306664 in words is "four hundred seventy-five million, three hundred six thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 1212517 2425034 4850068 8487619 9700136 16975238 33950476 59413333 67900952 118826666 237653332 475306664