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492639748 = 22711734647
BaseRepresentation
bin11101010111010…
…001011000000100
31021022222200200121
4131113101120010
52002103432443
6120514551324
715131240326
oct3527213004
91238880617
10492639748
1123309a597
12118b98544
137b0a8c13
14495db616
152d3b24ed
hex1d5d1604

492639748 has 12 divisors (see below), whose sum is σ = 874262592. Its totient is φ = 242850440.

The previous prime is 492639671. The next prime is 492639751. The reversal of 492639748 is 847936294.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 492639695 and 492639704.

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, 867040 + ... + 867607.

It is an arithmetic number, because the mean of its divisors is an integer number (72855216).

Almost surely, 2492639748 is an apocalyptic number.

It is an amenable number.

492639748 is a deficient number, since it is larger than the sum of its proper divisors (381622844).

492639748 is a wasteful number, since it uses less digits than its factorization.

492639748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734722 (or 1734720 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 492639748 is about 22195.4893615798. The cubic root of 492639748 is about 789.7867009470.

The spelling of 492639748 in words is "four hundred ninety-two million, six hundred thirty-nine thousand, seven hundred forty-eight".

Divisors: 1 2 4 71 142 284 1734647 3469294 6938588 123159937 246319874 492639748