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16868512 = 251513491
BaseRepresentation
bin100000001011…
…0010010100000
31011202000020201
41000112102200
513304243022
61401314544
7263244223
oct100262240
934660221
1016868512
119581621
125795a54
133657c8b
1423515ba
151733127
hex10164a0

16868512 has 24 divisors (see below), whose sum is σ = 33439392. Its totient is φ = 8376000.

The previous prime is 16868497. The next prime is 16868531. The reversal of 16868512 is 21586861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3087 + ... + 6577.

It is an arithmetic number, because the mean of its divisors is an integer number (1393308).

Almost surely, 216868512 is an apocalyptic number.

It is an amenable number.

16868512 is a deficient number, since it is larger than the sum of its proper divisors (16570880).

16868512 is a wasteful number, since it uses less digits than its factorization.

16868512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652 (or 3644 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 16868512 is about 4107.1294111581. The cubic root of 16868512 is about 256.4635157168.

The spelling of 16868512 in words is "sixteen million, eight hundred sixty-eight thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 151 302 604 1208 2416 3491 4832 6982 13964 27928 55856 111712 527141 1054282 2108564 4217128 8434256 16868512