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24712980 = 2235411883
BaseRepresentation
bin101111001000…
…1011100010100
31201111112211120
41132101130110
522311303410
62241403540
7420025335
oct136213424
951445746
1024712980
1112a4a256
1283395b0
135173686
1433d428c
152282570
hex1791714

24712980 has 24 divisors (see below), whose sum is σ = 69196512. Its totient is φ = 6590112.

The previous prime is 24712979. The next prime is 24713009. The reversal of 24712980 is 8921742.

It is a happy number.

It is a super-2 number, since 2×247129802 = 1221462760960800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205882 + ... + 206001.

It is an arithmetic number, because the mean of its divisors is an integer number (2883188).

Almost surely, 224712980 is an apocalyptic number.

24712980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24712980 is an abundant number, since it is smaller than the sum of its proper divisors (44483532).

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

24712980 is a wasteful number, since it uses less digits than its factorization.

24712980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411895 (or 411893 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 24712980 is about 4971.2151432019. The cubic root of 24712980 is about 291.2784618553.

The spelling of 24712980 in words is "twenty-four million, seven hundred twelve thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 411883 823766 1235649 1647532 2059415 2471298 4118830 4942596 6178245 8237660 12356490 24712980