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2685893 = 729101131
BaseRepresentation
bin1010001111101111000101
312001110100112
422033233011
51141422033
6133322405
731554410
oct12175705
95043315
102685893
111574a51
12a96405
137306b2
144dcb77
15380c48
hex28fbc5

2685893 has 16 divisors (see below), whose sum is σ = 3231360. Its totient is φ = 2184000.

The previous prime is 2685887. The next prime is 2685901. The reversal of 2685893 is 3985862.

It is not a de Polignac number, because 2685893 - 24 = 2685877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2685893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685803) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20438 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (201960).

22685893 is an apocalyptic number.

It is an amenable number.

2685893 is a deficient number, since it is larger than the sum of its proper divisors (545467).

2685893 is a wasteful number, since it uses less digits than its factorization.

2685893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

The product of its digits is 103680, while the sum is 41.

The square root of 2685893 is about 1638.8694273797. The cubic root of 2685893 is about 139.0047269928.

The spelling of 2685893 in words is "two million, six hundred eighty-five thousand, eight hundred ninety-three".

Divisors: 1 7 29 101 131 203 707 917 2929 3799 13231 20503 26593 92617 383699 2685893