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479998404 = 223247283687
BaseRepresentation
bin11100100111000…
…011000111000100
31020110012110000200
4130213003013010
51440334422104
6115344010500
714615630154
oct3447030704
91213173020
10479998404
11226a459a6
12114900a30
13785a1032
1447a6a764
152c216b39
hex1c9c31c4

479998404 has 36 divisors (see below), whose sum is σ = 1239149184. Its totient is φ = 156594672.

The previous prime is 479998403. The next prime is 479998429. The reversal of 479998404 is 404899974.

It is a happy number.

479998404 is a `hidden beast` number, since 479 + 99 + 84 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (479998403) by changing a digit.

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, 140152 + ... + 143535.

Almost surely, 2479998404 is an apocalyptic number.

It is an amenable number.

479998404 is an abundant number, since it is smaller than the sum of its proper divisors (759150780).

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

479998404 is a wasteful number, since it uses less digits than its factorization.

479998404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283744 (or 283739 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 479998404 is about 21908.8658766263. The cubic root of 479998404 is about 782.9726604372.

The spelling of 479998404 in words is "four hundred seventy-nine million, nine hundred ninety-eight thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 188 282 423 564 846 1692 283687 567374 851061 1134748 1702122 2553183 3404244 5106366 10212732 13333289 26666578 39999867 53333156 79999734 119999601 159999468 239999202 479998404