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24872420 = 2254672663
BaseRepresentation
bin101111011100…
…0010111100100
31201210122112202
41132320113210
522331404140
62245034032
7421261226
oct136702744
951718482
1024872420
1113049021
1283b5918
1351cb111
143436416
1522b4915
hex17b85e4

24872420 has 24 divisors (see below), whose sum is σ = 52363584. Its totient is φ = 9923936.

The previous prime is 24872417. The next prime is 24872431. The reversal of 24872420 is 2427842.

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, 8009 + ... + 10671.

It is an arithmetic number, because the mean of its divisors is an integer number (2181816).

Almost surely, 224872420 is an apocalyptic number.

24872420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24872420 is an abundant number, since it is smaller than the sum of its proper divisors (27491164).

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

24872420 is a wasteful number, since it uses less digits than its factorization.

24872420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139 (or 3137 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 24872420 is about 4987.2256816791. The cubic root of 24872420 is about 291.9035304017.

The spelling of 24872420 in words is "twenty-four million, eight hundred seventy-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 467 934 1868 2335 2663 4670 5326 9340 10652 13315 26630 53260 1243621 2487242 4974484 6218105 12436210 24872420