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2640932 = 227257367
BaseRepresentation
bin1010000100110000100100
311222011200022
422010300210
51134002212
6132334312
731306340
oct12046044
94864608
102640932
111544198
12a74398
137160a8
144ca620
15372772
hex284c24

2640932 has 24 divisors (see below), whose sum is σ = 5316864. Its totient is φ = 1124352.

The previous prime is 2640919. The next prime is 2640941. The reversal of 2640932 is 2390462.

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 7 ways as a sum of consecutive naturals, for example, 7013 + ... + 7379.

It is an arithmetic number, because the mean of its divisors is an integer number (221536).

22640932 is an apocalyptic number.

It is an amenable number.

2640932 is an abundant number, since it is smaller than the sum of its proper divisors (2675932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2640932 is a wasteful number, since it uses less digits than its factorization.

2640932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2640932 is about 1625.0944587931. The cubic root of 2640932 is about 138.2247266121.

The spelling of 2640932 in words is "two million, six hundred forty thousand, nine hundred thirty-two".

Divisors: 1 2 4 7 14 28 257 367 514 734 1028 1468 1799 2569 3598 5138 7196 10276 94319 188638 377276 660233 1320466 2640932