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22990304 = 251937813
BaseRepresentation
bin101011110110…
…0110111100000
31121021000202202
41113230313200
521341142204
62140432332
7366262061
oct127546740
947230682
1022990304
1111a82a57
1278486a8
1349bc53c
1430a6568
152041e1e
hex15ecde0

22990304 has 24 divisors (see below), whose sum is σ = 47645640. Its totient is φ = 10889856.

The previous prime is 22990291. The next prime is 22990339. The reversal of 22990304 is 40309922.

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, 18299 + ... + 19514.

It is an arithmetic number, because the mean of its divisors is an integer number (1985235).

Almost surely, 222990304 is an apocalyptic number.

It is an amenable number.

22990304 is an abundant number, since it is smaller than the sum of its proper divisors (24655336).

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

22990304 is a wasteful number, since it uses less digits than its factorization.

22990304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37842 (or 37834 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 22990304 is about 4794.8205388732. The cubic root of 22990304 is about 284.3467298549.

The spelling of 22990304 in words is "twenty-two million, nine hundred ninety thousand, three hundred four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 37813 75626 151252 302504 605008 718447 1210016 1436894 2873788 5747576 11495152 22990304