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16268490 = 2325731731
BaseRepresentation
bin111110000011…
…110011001010
31010121112011200
4332003303022
513131042430
61340405030
7255165000
oct76036312
933545150
1016268490
119201837
125546776
1334a7b34
142236a70
151665460
hexf83cca

16268490 has 192 divisors, whose sum is σ = 53913600. Its totient is φ = 3386880.

The previous prime is 16268489. The next prime is 16268501. The reversal of 16268490 is 9486261.

16268490 is a `hidden beast` number, since 162 + 6 + 8 + 490 = 666.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 524775 + ... + 524805.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

Almost surely, 216268490 is an apocalyptic number.

16268490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16268490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26956800).

16268490 is an abundant number, since it is smaller than the sum of its proper divisors (37645110).

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

16268490 is a wasteful number, since it uses less digits than its factorization.

16268490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 16268490 is about 4033.4216243780. The cubic root of 16268490 is about 253.3858828353.

The spelling of 16268490 in words is "sixteen million, two hundred sixty-eight thousand, four hundred ninety".