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479509242 = 23174701071
BaseRepresentation
bin11100100101001…
…011101011111010
31020102021121000120
4130211023223322
51440223243432
6115325314110
714611522062
oct3445135372
91212247016
10479509242
11226741433
12114705936
137845c4a4
14479803a2
152c16bc2c
hex1c94bafa

479509242 has 16 divisors (see below), whose sum is σ = 1015431552. Its totient is φ = 150434240.

The previous prime is 479509231. The next prime is 479509249. The reversal of 479509242 is 242905974.

It is a super-2 number, since 2×4795092422 = 459858226326829128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 479509194 and 479509203.

It is not an unprimeable number, because it can be changed into a prime (479509249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2350434 + ... + 2350637.

It is an arithmetic number, because the mean of its divisors is an integer number (63464472).

Almost surely, 2479509242 is an apocalyptic number.

479509242 is an abundant number, since it is smaller than the sum of its proper divisors (535922310).

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

479509242 is a wasteful number, since it uses less digits than its factorization.

479509242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701093.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 479509242 is about 21897.6994682090. The cubic root of 479509242 is about 782.7065966009.

The spelling of 479509242 in words is "four hundred seventy-nine million, five hundred nine thousand, two hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 4701071 9402142 14103213 28206426 79918207 159836414 239754621 479509242