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22965628 = 227820201
BaseRepresentation
bin101011110011…
…0110101111100
31121012202220211
41113212311330
521334400003
62140122204
7366130120
oct127466574
947182824
1022965628
1111a66464
127836364
1349b123a
14309b580
15203996d
hex15e6d7c

22965628 has 12 divisors (see below), whose sum is σ = 45931312. Its totient is φ = 9842400.

The previous prime is 22965619. The next prime is 22965643. The reversal of 22965628 is 82656922.

22965628 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410073 + ... + 410128.

Almost surely, 222965628 is an apocalyptic number.

22965628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22965628 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.

22965628 is a wasteful number, since it uses less digits than its factorization.

22965628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820212 (or 820210 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 22965628 is about 4792.2466547539. The cubic root of 22965628 is about 284.2449615654.

The spelling of 22965628 in words is "twenty-two million, nine hundred sixty-five thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 28 820201 1640402 3280804 5741407 11482814 22965628