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24429980 = 2251221499
BaseRepresentation
bin101110100110…
…0010110011100
31200222011122002
41131030112130
522223224410
62231341432
7414436301
oct135142634
950864562
1024429980
1112876673
128221878
1350a4913
14335d0a8
1522287a5
hex174c59c

24429980 has 12 divisors (see below), whose sum is σ = 51303000. Its totient is φ = 9771984.

The previous prime is 24429943. The next prime is 24429997. The reversal of 24429980 is 8992442.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 610730 + ... + 610769.

It is an arithmetic number, because the mean of its divisors is an integer number (4275250).

Almost surely, 224429980 is an apocalyptic number.

24429980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24429980 is an abundant number, since it is smaller than the sum of its proper divisors (26873020).

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

24429980 is a wasteful number, since it uses less digits than its factorization.

24429980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221508 (or 1221506 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 24429980 is about 4942.6693193051. The cubic root of 24429980 is about 290.1623347958.

The spelling of 24429980 in words is "twenty-four million, four hundred twenty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1221499 2442998 4885996 6107495 12214990 24429980