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23868153 = 3217732137
BaseRepresentation
bin101101100001…
…1001011111001
31122220121221200
41123003023321
522102240103
62211324413
7406606311
oct133031371
948817850
1023868153
1112522551
127bb0709
134c38c8a
143254441
1521670a3
hex16c32f9

23868153 has 24 divisors (see below), whose sum is σ = 37021608. Its totient is φ = 14764032.

The previous prime is 23868149. The next prime is 23868157. The reversal of 23868153 is 35186832.

It is an interprime number because it is at equal distance from previous prime (23868149) and next prime (23868157).

It can be written as a sum of positive squares in 4 ways, for example, as 1937664 + 21930489 = 1392^2 + 4683^2 .

It is not a de Polignac number, because 23868153 - 22 = 23868149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23868157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10101 + ... + 12237.

It is an arithmetic number, because the mean of its divisors is an integer number (1542567).

Almost surely, 223868153 is an apocalyptic number.

It is an amenable number.

23868153 is a deficient number, since it is larger than the sum of its proper divisors (13153455).

23868153 is a wasteful number, since it uses less digits than its factorization.

23868153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2230 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 23868153 is about 4885.5043751899. The cubic root of 23868153 is about 287.9207319461.

The spelling of 23868153 in words is "twenty-three million, eight hundred sixty-eight thousand, one hundred fifty-three".

Divisors: 1 3 9 17 51 73 153 219 657 1241 2137 3723 6411 11169 19233 36329 108987 156001 326961 468003 1404009 2652017 7956051 23868153