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16408964 = 22111328687
BaseRepresentation
bin111110100110…
…000110000100
31010212122212102
4332212012010
513200041324
61343411232
7256321355
oct76460604
933778772
1016408964
119298330
1255b3b18
133526a60
142271d2c
151691dae
hexfa6184

16408964 has 24 divisors (see below), whose sum is σ = 33737088. Its totient is φ = 6884640.

The previous prime is 16408921. The next prime is 16408981. The reversal of 16408964 is 46980461.

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, 13772 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (1405712).

Almost surely, 216408964 is an apocalyptic number.

It is an amenable number.

16408964 is an abundant number, since it is smaller than the sum of its proper divisors (17328124).

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

16408964 is a wasteful number, since it uses less digits than its factorization.

16408964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28715 (or 28713 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 16408964 is about 4050.7979460842. The cubic root of 16408964 is about 254.1130998583.

The spelling of 16408964 in words is "sixteen million, four hundred eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 28687 57374 114748 315557 372931 631114 745862 1262228 1491724 4102241 8204482 16408964