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22620396 = 2231885033
BaseRepresentation
bin101011001001…
…0100011101100
31120120020100110
41112102203230
521242323041
62124500020
7363161451
oct126224354
946506313
1022620396
1111850047
1276aa610
1348c0066
14300b828
151ebc516
hex15928ec

22620396 has 12 divisors (see below), whose sum is σ = 52780952. Its totient is φ = 7540128.

The previous prime is 22620383. The next prime is 22620401. The reversal of 22620396 is 69302622.

It is a tau number, because it is divible by the number of its divisors (12).

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, 942505 + ... + 942528.

Almost surely, 222620396 is an apocalyptic number.

It is an amenable number.

22620396 is an abundant number, since it is smaller than the sum of its proper divisors (30160556).

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

22620396 is a wasteful number, since it uses less digits than its factorization.

22620396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885040 (or 1885038 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 22620396 is about 4756.0904112517. The cubic root of 22620396 is about 282.8134552902.

The spelling of 22620396 in words is "twenty-two million, six hundred twenty thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 1885033 3770066 5655099 7540132 11310198 22620396