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24668980 = 2257176207
BaseRepresentation
bin101111000011…
…0101100110100
31201102022110221
41132012230310
522303401410
62240424124
7416453140
oct136065464
951368427
1024668980
1112a1a196
128318044
13515963b
1433c2220
1522744da
hex1786b34

24668980 has 24 divisors (see below), whose sum is σ = 59205888. Its totient is φ = 8457888.

The previous prime is 24668953. The next prime is 24668981. The reversal of 24668980 is 8986642.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24668981) 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, 87964 + ... + 88243.

It is an arithmetic number, because the mean of its divisors is an integer number (2466912).

Almost surely, 224668980 is an apocalyptic number.

24668980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24668980 is an abundant number, since it is smaller than the sum of its proper divisors (34536908).

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

24668980 is a wasteful number, since it uses less digits than its factorization.

24668980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176223 (or 176221 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 24668980 is about 4966.7876942748. The cubic root of 24668980 is about 291.1054911324.

The spelling of 24668980 in words is "twenty-four million, six hundred sixty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 176207 352414 704828 881035 1233449 1762070 2466898 3524140 4933796 6167245 12334490 24668980