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16868732 = 2219221957
BaseRepresentation
bin100000001011…
…0010101111100
31011202000112212
41000112111330
513304244412
61401315552
7263244656
oct100262574
934660485
1016868732
119581801
125795bb8
1336580ca
1423516d6
151733222
hex101657c

16868732 has 12 divisors (see below), whose sum is σ = 31074120. Its totient is φ = 7990416.

The previous prime is 16868701. The next prime is 16868759. The reversal of 16868732 is 23786861.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16868732.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 110903 + ... + 111054.

It is an arithmetic number, because the mean of its divisors is an integer number (2589510).

Almost surely, 216868732 is an apocalyptic number.

It is an amenable number.

16868732 is a deficient number, since it is larger than the sum of its proper divisors (14205388).

16868732 is a wasteful number, since it uses less digits than its factorization.

16868732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221980 (or 221978 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 16868732 is about 4107.1561937672. The cubic root of 16868732 is about 256.4646306488.

The spelling of 16868732 in words is "sixteen million, eight hundred sixty-eight thousand, seven hundred thirty-two".

Divisors: 1 2 4 19 38 76 221957 443914 887828 4217183 8434366 16868732