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479306690 = 2547930669
BaseRepresentation
bin11100100100011…
…010001111000010
31020101220022011122
4130210122033002
51440200303230
6115321112242
714610016412
oct3444321702
91211808148
10479306690
11226613235
12114628682
13783bb235
144792a642
152c12bbe5
hex1c91a3c2

479306690 has 8 divisors (see below), whose sum is σ = 862752060. Its totient is φ = 191722672.

The previous prime is 479306623. The next prime is 479306731. The reversal of 479306690 is 96603974.

It can be written as a sum of positive squares in 2 ways, for example, as 478778161 + 528529 = 21881^2 + 727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4793066902 = 459469806157512200, 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 3 ways as a sum of consecutive naturals, for example, 23965325 + ... + 23965344.

Almost surely, 2479306690 is an apocalyptic number.

479306690 is a deficient number, since it is larger than the sum of its proper divisors (383445370).

479306690 is a wasteful number, since it uses less digits than its factorization.

479306690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47930676.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 479306690 is about 21893.0740189677. The cubic root of 479306690 is about 782.5963720206.

The spelling of 479306690 in words is "four hundred seventy-nine million, three hundred six thousand, six hundred ninety".

Divisors: 1 2 5 10 47930669 95861338 239653345 479306690