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2653893 = 321122437
BaseRepresentation
bin1010000111111011000101
311222211110100
422013323011
51134411033
6132514313
731362204
oct12077305
94884410
102653893
111552a00
12a7b999
1371bc68
144d123b
15376513
hex287ec5

2653893 has 18 divisors (see below), whose sum is σ = 4215302. Its totient is φ = 1607760.

The previous prime is 2653883. The next prime is 2653897. The reversal of 2653893 is 3983562.

It can be written as a sum of positive squares in only one way, i.e., 2614689 + 39204 = 1617^2 + 198^2 .

It is not a de Polignac number, because 2653893 - 213 = 2645701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653897) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 130 + ... + 2307.

22653893 is an apocalyptic number.

It is an amenable number.

2653893 is a deficient number, since it is larger than the sum of its proper divisors (1561409).

2653893 is a wasteful number, since it uses less digits than its factorization.

2653893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2451 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2653893 is about 1629.0773462301. The cubic root of 2653893 is about 138.4504812395.

The spelling of 2653893 in words is "two million, six hundred fifty-three thousand, eight hundred ninety-three".

Divisors: 1 3 9 11 33 99 121 363 1089 2437 7311 21933 26807 80421 241263 294877 884631 2653893