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22906984 = 232998737
BaseRepresentation
bin101011101100…
…0100001101000
31121002210110211
41113120201220
521331010414
62134550504
7365464132
oct127304150
947083424
1022906984
1111a263a1
127808434
134990639
143084052
1520273c4
hex15d8868

22906984 has 16 divisors (see below), whose sum is σ = 44432100. Its totient is φ = 11058432.

The previous prime is 22906981. The next prime is 22906993. The reversal of 22906984 is 48960922.

It can be written as a sum of positive squares in 2 ways, for example, as 20884900 + 2022084 = 4570^2 + 1422^2 .

It is not an unprimeable number, because it can be changed into a prime (22906981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49137 + ... + 49600.

Almost surely, 222906984 is an apocalyptic number.

It is an amenable number.

22906984 is a deficient number, since it is larger than the sum of its proper divisors (21525116).

22906984 is a wasteful number, since it uses less digits than its factorization.

22906984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98772 (or 98768 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 22906984 is about 4786.1241103841. The cubic root of 22906984 is about 284.0028102612.

The spelling of 22906984 in words is "twenty-two million, nine hundred six thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 29 58 116 232 98737 197474 394948 789896 2863373 5726746 11453492 22906984