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475047378 = 232132030117
BaseRepresentation
bin11100010100001…
…010010111010010
31020002212220111100
4130110022113102
51433103004003
6115045525230
714525556531
oct3424122722
91202786440
10475047378
11224174143
12113113816
1377559630
144713c318
152ba89ba3
hex1c50a5d2

475047378 has 24 divisors (see below), whose sum is σ = 1108444428. Its totient is φ = 146168352.

The previous prime is 475047323. The next prime is 475047389. The reversal of 475047378 is 873740574.

475047378 is a `hidden beast` number, since 4 + 7 + 504 + 73 + 78 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 329531409 + 145515969 = 18153^2 + 12063^2 .

It is a super-2 number, since 2×4750473782 = 451340022689349768, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1014825 + ... + 1015292.

Almost surely, 2475047378 is an apocalyptic number.

475047378 is an abundant number, since it is smaller than the sum of its proper divisors (633397050).

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

475047378 is a wasteful number, since it uses less digits than its factorization.

475047378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030138 (or 2030135 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The square root of 475047378 is about 21795.5816164653. The cubic root of 475047378 is about 780.2713158707.

The spelling of 475047378 in words is "four hundred seventy-five million, forty-seven thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 2030117 4060234 6090351 12180702 18271053 26391521 36542106 52783042 79174563 158349126 237523689 475047378