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22890374 = 213267723
BaseRepresentation
bin101011101010…
…0011110000110
31121001221200122
41113110132012
521324442444
62134341542
7365364533
oct127243606
947057618
1022890374
1111a14971
1277ba8b2
134985c00
14307bd8a
1520224ee
hex15d4786

22890374 has 12 divisors (see below), whose sum is σ = 37180476. Its totient is φ = 10564632.

The previous prime is 22890331. The next prime is 22890377. The reversal of 22890374 is 47309822.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22890377) 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 5 ways as a sum of consecutive naturals, for example, 33524 + ... + 34199.

It is an arithmetic number, because the mean of its divisors is an integer number (3098373).

Almost surely, 222890374 is an apocalyptic number.

22890374 is a deficient number, since it is larger than the sum of its proper divisors (14290102).

22890374 is a wasteful number, since it uses less digits than its factorization.

22890374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67751 (or 67738 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 22890374 is about 4784.3885711760. The cubic root of 22890374 is about 283.9341495808.

The spelling of 22890374 in words is "twenty-two million, eight hundred ninety thousand, three hundred seventy-four".

Divisors: 1 2 13 26 169 338 67723 135446 880399 1760798 11445187 22890374