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491002914 = 23711152589
BaseRepresentation
bin11101010001000…
…001110000100010
31021012220112101010
4131101001300202
52001144043124
6120415521350
715111312243
oct3521016042
91235815333
10491002914
11232181836
12118529256
137a954b8c
14492d2cca
152d18c529
hex1d441c22

491002914 has 16 divisors (see below), whose sum is σ = 995837760. Its totient is φ = 161362320.

The previous prime is 491002909. The next prime is 491002927. The reversal of 491002914 is 419200194.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575869 + ... + 576720.

It is an arithmetic number, because the mean of its divisors is an integer number (62239860).

Almost surely, 2491002914 is an apocalyptic number.

491002914 is an abundant number, since it is smaller than the sum of its proper divisors (504834846).

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

491002914 is a wasteful number, since it uses less digits than its factorization.

491002914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152665.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 491002914 is about 22158.5855595523. The cubic root of 491002914 is about 788.9110210797.

The spelling of 491002914 in words is "four hundred ninety-one million, two thousand, nine hundred fourteen".

Divisors: 1 2 3 6 71 142 213 426 1152589 2305178 3457767 6915534 81833819 163667638 245501457 491002914