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22090748 = 2217930853
BaseRepresentation
bin101010001000…
…1001111111100
31112120022210212
41110101033330
521123400443
62105251552
7355524341
oct124211774
945508725
1022090748
1111519119
127493bb8
134765c64
142d107c8
151e15618
hex15113fc

22090748 has 12 divisors (see below), whose sum is σ = 38876040. Its totient is φ = 10983312.

The previous prime is 22090729. The next prime is 22090751. The reversal of 22090748 is 84709022.

It is a super-2 number, since 2×220907482 = 976002294399008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14711 + ... + 16142.

It is an arithmetic number, because the mean of its divisors is an integer number (3239670).

Almost surely, 222090748 is an apocalyptic number.

It is an amenable number.

22090748 is a deficient number, since it is larger than the sum of its proper divisors (16785292).

22090748 is a wasteful number, since it uses less digits than its factorization.

22090748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31036 (or 31034 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22090748 is about 4700.0795737945. The cubic root of 22090748 is about 280.5886764559.

The spelling of 22090748 in words is "twenty-two million, ninety thousand, seven hundred forty-eight".

Divisors: 1 2 4 179 358 716 30853 61706 123412 5522687 11045374 22090748