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23881253 = 1131591187
BaseRepresentation
bin101101100011…
…0011000100101
31122221021220212
41123012120211
522103200003
62211505205
7406662434
oct133063045
948837825
1023881253
1112531380
127bb8205
134c41c26
14325911b
15216add8
hex16c6625

23881253 has 16 divisors (see below), whose sum is σ = 27371520. Its totient is φ = 20636400.

The previous prime is 23881237. The next prime is 23881259. The reversal of 23881253 is 35218832.

It is a cyclic number.

It is not a de Polignac number, because 23881253 - 24 = 23881237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23881259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19526 + ... + 20712.

It is an arithmetic number, because the mean of its divisors is an integer number (1710720).

Almost surely, 223881253 is an apocalyptic number.

It is an amenable number.

23881253 is a deficient number, since it is larger than the sum of its proper divisors (3490267).

23881253 is a wasteful number, since it uses less digits than its factorization.

23881253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its digits is 11520, while the sum is 32.

The square root of 23881253 is about 4886.8448921569. The cubic root of 23881253 is about 287.9733972663.

The spelling of 23881253 in words is "twenty-three million, eight hundred eighty-one thousand, two hundred fifty-three".

Divisors: 1 11 31 59 341 649 1187 1829 13057 20119 36797 70033 404767 770363 2171023 23881253