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24940420 = 22510312107
BaseRepresentation
bin101111100100…
…0111110000100
31201221002211021
41133020332010
522341043140
62250320524
7421663411
oct137107604
951832737
1024940420
111309511a
128429144
13522305b
143453108
1522c9b4a
hex17c8f84

24940420 has 24 divisors (see below), whose sum is σ = 52887744. Its totient is φ = 9878496.

The previous prime is 24940417. The next prime is 24940427. The reversal of 24940420 is 2404942.

It is not an unprimeable number, because it can be changed into a prime (24940427) 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, 3994 + ... + 8113.

It is an arithmetic number, because the mean of its divisors is an integer number (2203656).

Almost surely, 224940420 is an apocalyptic number.

24940420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24940420 is an abundant number, since it is smaller than the sum of its proper divisors (27947324).

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

24940420 is a wasteful number, since it uses less digits than its factorization.

24940420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12219 (or 12217 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 24940420 is about 4994.0384459874. The cubic root of 24940420 is about 292.1693050811.

The spelling of 24940420 in words is "twenty-four million, nine hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 12107 24214 48428 60535 121070 242140 1247021 2494042 4988084 6235105 12470210 24940420