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22340928 = 263116359
BaseRepresentation
bin101010100111…
…0010101000000
31120001000222210
41111032111000
521204402203
62114502120
7360615621
oct125162500
946030883
1022340928
111167a085
127594940
134822aac
142d77a48
151e64803
hex154e540

22340928 has 28 divisors (see below), whose sum is σ = 59110880. Its totient is φ = 7446912.

The previous prime is 22340921. The next prime is 22340939. The reversal of 22340928 is 82904322.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22340895 and 22340904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57988 + ... + 58371.

Almost surely, 222340928 is an apocalyptic number.

It is an amenable number.

22340928 is an abundant number, since it is smaller than the sum of its proper divisors (36769952).

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

22340928 is a wasteful number, since it uses less digits than its factorization.

22340928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116374 (or 116364 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 22340928 is about 4726.6190876778. The cubic root of 22340928 is about 281.6439346912.

The spelling of 22340928 in words is "twenty-two million, three hundred forty thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 116359 232718 349077 465436 698154 930872 1396308 1861744 2792616 3723488 5585232 7446976 11170464 22340928