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478172104 = 2359771513
BaseRepresentation
bin11100100000000…
…101001111001000
31020022202122210221
4130200011033020
51434403001404
6115240515424
714564252524
oct3440051710
91208678727
10478172104
11225a08863
1211417bb74
13780b1997
1447712d84
152bea5954
hex1c8053c8

478172104 has 8 divisors (see below), whose sum is σ = 896572710. Its totient is φ = 239086048.

The previous prime is 478172087. The next prime is 478172111. The reversal of 478172104 is 401271874.

It can be written as a sum of positive squares in only one way, i.e., 441084004 + 37088100 = 21002^2 + 6090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4781721042 = 457297122087573632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 478172104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29885749 + ... + 29885764.

Almost surely, 2478172104 is an apocalyptic number.

It is an amenable number.

478172104 is a deficient number, since it is larger than the sum of its proper divisors (418400606).

478172104 is a wasteful number, since it uses less digits than its factorization.

478172104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59771519 (or 59771515 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 478172104 is about 21867.1466817232. The cubic root of 478172104 is about 781.9783791006.

The spelling of 478172104 in words is "four hundred seventy-eight million, one hundred seventy-two thousand, one hundred four".

Divisors: 1 2 4 8 59771513 119543026 239086052 478172104