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22768434 = 2321397301
BaseRepresentation
bin101011011011…
…0101100110010
31120211202102100
41112312230302
521312042214
62132001230
7364346163
oct126665462
946752370
1022768434
1111941297
127760216
134942560
14304976a
151eeb309
hex15b6b32

22768434 has 24 divisors (see below), whose sum is σ = 53126892. Its totient is φ = 7005600.

The previous prime is 22768399. The next prime is 22768453. The reversal of 22768434 is 43486722.

It can be written as a sum of positive squares in 2 ways, for example, as 16281225 + 6487209 = 4035^2 + 2547^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48417 + ... + 48884.

Almost surely, 222768434 is an apocalyptic number.

22768434 is an abundant number, since it is smaller than the sum of its proper divisors (30358458).

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

22768434 is a wasteful number, since it uses less digits than its factorization.

22768434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97322 (or 97319 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 22768434 is about 4771.6280240606. The cubic root of 22768434 is about 283.4290669191.

The spelling of 22768434 in words is "twenty-two million, seven hundred sixty-eight thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 97301 194602 291903 583806 875709 1264913 1751418 2529826 3794739 7589478 11384217 22768434