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22126748 = 227790241
BaseRepresentation
bin101010001101…
…0000010011100
31112122011012012
41110122002130
521131023443
62110130352
7356034320
oct124320234
945564165
1022126748
1111543176
1274b09b8
134779467
142d1d980
151e21118
hex151a09c

22126748 has 12 divisors (see below), whose sum is σ = 44253552. Its totient is φ = 9482880.

The previous prime is 22126747. The next prime is 22126751. The reversal of 22126748 is 84762122.

22126748 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22126747) 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, 395093 + ... + 395148.

It is an arithmetic number, because the mean of its divisors is an integer number (3687796).

Almost surely, 222126748 is an apocalyptic number.

22126748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22126748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22126748 is a wasteful number, since it uses less digits than its factorization.

22126748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790252 (or 790250 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 22126748 is about 4703.9077371904. The cubic root of 22126748 is about 280.7410133861.

The spelling of 22126748 in words is "twenty-two million, one hundred twenty-six thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 14 28 790241 1580482 3160964 5531687 11063374 22126748