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22949668 = 2274119991
BaseRepresentation
bin101011110001…
…0111100100100
31121011222000201
41113202330210
521333342133
62135520244
7366032440
oct127427444
947158021
1022949668
1111a55475
127829084
1349a6bb1
143095820
152034d7d
hex15e2f24

22949668 has 24 divisors (see below), whose sum is σ = 47021184. Its totient is φ = 9595200.

The previous prime is 22949651. The next prime is 22949669. The reversal of 22949668 is 86694922.

It is a super-2 number, since 2×229496682 = 1053374522620448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22949669) 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, 8848 + ... + 11143.

It is an arithmetic number, because the mean of its divisors is an integer number (1959216).

Almost surely, 222949668 is an apocalyptic number.

22949668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22949668 is an abundant number, since it is smaller than the sum of its proper divisors (24071516).

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

22949668 is a wasteful number, since it uses less digits than its factorization.

22949668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20043 (or 20041 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 22949668 is about 4790.5811755986. The cubic root of 22949668 is about 284.1791008091.

The spelling of 22949668 in words is "twenty-two million, nine hundred forty-nine thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 19991 39982 79964 139937 279874 559748 819631 1639262 3278524 5737417 11474834 22949668