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23873320 = 2355311261
BaseRepresentation
bin101101100010…
…0011100101000
31122220220001001
41123010130220
522102421240
62211404344
7406630342
oct133043450
948826031
1023873320
1112526419
127bb36b4
134c3b433
143256292
15216889a
hex16c4728

23873320 has 32 divisors (see below), whose sum is σ = 54733320. Its totient is φ = 9368320.

The previous prime is 23873279. The next prime is 23873323. The reversal of 23873320 is 2337832.

It can be written as a sum of positive squares in 4 ways, for example, as 23872996 + 324 = 4886^2 + 18^2 .

It is not an unprimeable number, because it can be changed into a prime (23873323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511 + ... + 7750.

Almost surely, 223873320 is an apocalyptic number.

23873320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23873320 is an abundant number, since it is smaller than the sum of its proper divisors (30860000).

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

23873320 is a wasteful number, since it uses less digits than its factorization.

23873320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325 (or 11321 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 23873320 is about 4886.0331558433. The cubic root of 23873320 is about 287.9415068965.

The spelling of 23873320 in words is "twenty-three million, eight hundred seventy-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 2120 11261 22522 45044 56305 90088 112610 225220 450440 596833 1193666 2387332 2984165 4774664 5968330 11936660 23873320