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490986442 = 2713457651
BaseRepresentation
bin11101010000111…
…101101111001010
31021012212200210001
4131100331233022
52001143031232
6120415313214
715111213232
oct3520755712
91235780701
10490986442
11232170421
1211851b80a
137a94a52b
14492cacc2
152d1876e7
hex1d43dbca

490986442 has 8 divisors (see below), whose sum is σ = 746852832. Its totient is φ = 242035500.

The previous prime is 490986437. The next prime is 490986473. The reversal of 490986442 is 244689094.

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

It is a junction number, because it is equal to n+sod(n) for n = 490986392 and 490986401.

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 3 ways as a sum of consecutive naturals, for example, 1728684 + ... + 1728967.

It is an arithmetic number, because the mean of its divisors is an integer number (93356604).

Almost surely, 2490986442 is an apocalyptic number.

490986442 is a deficient number, since it is larger than the sum of its proper divisors (255866390).

490986442 is a wasteful number, since it uses less digits than its factorization.

490986442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457724.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 490986442 is about 22158.2138720611. The cubic root of 490986442 is about 788.9021989408.

The spelling of 490986442 in words is "four hundred ninety million, nine hundred eighty-six thousand, four hundred forty-two".

Divisors: 1 2 71 142 3457651 6915302 245493221 490986442