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23998472 = 234369763
BaseRepresentation
bin101101110001…
…1000000001000
31200011020201022
41123203000020
522120422342
62214212012
7410661251
oct133430010
950136638
1023998472
1112601453
128054008
134c833a4
143289b28
1521909d2
hex16e3008

23998472 has 16 divisors (see below), whose sum is σ = 46044240. Its totient is φ = 11720016.

The previous prime is 23998439. The next prime is 23998477. The reversal of 23998472 is 27489932.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23998477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34538 + ... + 35225.

It is an arithmetic number, because the mean of its divisors is an integer number (2877765).

Almost surely, 223998472 is an apocalyptic number.

It is an amenable number.

23998472 is a deficient number, since it is larger than the sum of its proper divisors (22045768).

23998472 is a wasteful number, since it uses less digits than its factorization.

23998472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69812 (or 69808 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 23998472 is about 4898.8235322371. The cubic root of 23998472 is about 288.4437923834.

The spelling of 23998472 in words is "twenty-three million, nine hundred ninety-eight thousand, four hundred seventy-two".

Divisors: 1 2 4 8 43 86 172 344 69763 139526 279052 558104 2999809 5999618 11999236 23998472