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16868875 = 53134951
BaseRepresentation
bin100000001011…
…0011000001011
31011202000202011
41000112120023
513304301000
61401320351
7263245252
oct100263013
934660664
1016868875
119581921
1257960b7
1336581aa
142351799
1517332ba
hex101660b

16868875 has 8 divisors (see below), whose sum is σ = 21052512. Its totient is φ = 13495000.

The previous prime is 16868869. The next prime is 16868897. The reversal of 16868875 is 57886861.

It is not a de Polignac number, because 16868875 - 211 = 16866827 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67351 + ... + 67600.

It is an arithmetic number, because the mean of its divisors is an integer number (2631564).

Almost surely, 216868875 is an apocalyptic number.

16868875 is a deficient number, since it is larger than the sum of its proper divisors (4183637).

16868875 is an equidigital number, since it uses as much as digits as its factorization.

16868875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134966 (or 134956 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The square root of 16868875 is about 4107.1736023694. The cubic root of 16868875 is about 256.4653553493.

The spelling of 16868875 in words is "sixteen million, eight hundred sixty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 134951 674755 3373775 16868875