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490900758 = 23194306147
BaseRepresentation
bin11101010000101…
…000110100010110
31021012201100020120
4131100220310112
52001132311013
6120413412410
715110405355
oct3520506426
91235640216
10490900758
11232112007
1211849a106
137a91a52a
14492a799c
152d16c123
hex1d428d16

490900758 has 16 divisors (see below), whose sum is σ = 1033475520. Its totient is φ = 155021256.

The previous prime is 490900757. The next prime is 490900807. The reversal of 490900758 is 857009094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490900757) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2152960 + ... + 2153187.

It is an arithmetic number, because the mean of its divisors is an integer number (64592220).

Almost surely, 2490900758 is an apocalyptic number.

490900758 is an abundant number, since it is smaller than the sum of its proper divisors (542574762).

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

490900758 is a wasteful number, since it uses less digits than its factorization.

490900758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306171.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 490900758 is about 22156.2803286111. The cubic root of 490900758 is about 788.8563047824.

The spelling of 490900758 in words is "four hundred ninety million, nine hundred thousand, seven hundred fifty-eight".

Divisors: 1 2 3 6 19 38 57 114 4306147 8612294 12918441 25836882 81816793 163633586 245450379 490900758