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22790982 = 2317223441
BaseRepresentation
bin101011011110…
…0001101000110
31120212220100110
41112330031012
521313302412
62132253450
7364502004
oct126741506
946786313
1022790982
1111957225
127771286
13494c8b6
143053a74
152002d3c
hex15bc346

22790982 has 16 divisors (see below), whose sum is σ = 48263472. Its totient is φ = 7150080.

The previous prime is 22790981. The next prime is 22790993. The reversal of 22790982 is 28909722.

It is a self number, because there is not a number n which added to its sum of digits gives 22790982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22790981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 111619 + ... + 111822.

It is an arithmetic number, because the mean of its divisors is an integer number (3016467).

Almost surely, 222790982 is an apocalyptic number.

22790982 is an abundant number, since it is smaller than the sum of its proper divisors (25472490).

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

22790982 is a wasteful number, since it uses less digits than its factorization.

22790982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223463.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 22790982 is about 4773.9901549961. The cubic root of 22790982 is about 283.5225977278.

The spelling of 22790982 in words is "twenty-two million, seven hundred ninety thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 17 34 51 102 223441 446882 670323 1340646 3798497 7596994 11395491 22790982