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24368980 = 2251218449
BaseRepresentation
bin101110011110…
…1011101010100
31200212001221211
41130331131110
522214301410
62230151204
7414063406
oct134753524
950761854
1024368980
1112834859
1281b2504
135082c1c
143344b76
15221568a
hex173d754

24368980 has 12 divisors (see below), whose sum is σ = 51174900. Its totient is φ = 9747584.

The previous prime is 24368941. The next prime is 24368999. The reversal of 24368980 is 8986342.

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 18818244 = 2356^2 + 4338^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609205 + ... + 609244.

It is an arithmetic number, because the mean of its divisors is an integer number (4264575).

Almost surely, 224368980 is an apocalyptic number.

24368980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24368980 is an abundant number, since it is smaller than the sum of its proper divisors (26805920).

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

24368980 is a wasteful number, since it uses less digits than its factorization.

24368980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218458 (or 1218456 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 24368980 is about 4936.4947077861. The cubic root of 24368980 is about 289.9206282981.

The spelling of 24368980 in words is "twenty-four million, three hundred sixty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1218449 2436898 4873796 6092245 12184490 24368980