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479049642 = 23226613869
BaseRepresentation
bin11100100011011…
…011011110101010
31020101102020120100
4130203123132222
51440114042032
6115311410230
714604566121
oct3443333652
91211366510
10479049642
112264580a5
12114523976
137832b236
14478a0ab8
152c0ca97c
hex1c8db7aa

479049642 has 12 divisors (see below), whose sum is σ = 1037940930. Its totient is φ = 159683208.

The previous prime is 479049607. The next prime is 479049661. The reversal of 479049642 is 246940974.

It can be written as a sum of positive squares in only one way, i.e., 330185241 + 148864401 = 18171^2 + 12201^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13306917 + ... + 13306952.

Almost surely, 2479049642 is an apocalyptic number.

479049642 is an abundant number, since it is smaller than the sum of its proper divisors (558891288).

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

479049642 is a wasteful number, since it uses less digits than its factorization.

479049642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26613877 (or 26613874 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 479049642 is about 21887.2026992944. The cubic root of 479049642 is about 782.4564471331.

The spelling of 479049642 in words is "four hundred seventy-nine million, forty-nine thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 26613869 53227738 79841607 159683214 239524821 479049642