Base | Representation |
---|---|
bin | 101101100001… |
… | …1110110111011 |
3 | 1122220202201200 |
4 | 1123003312323 |
5 | 22102332112 |
6 | 2211345243 |
7 | 406620324 |
oct | 133036673 |
9 | 48822650 |
10 | 23870907 |
11 | 12524625 |
12 | 7bb2223 |
13 | 4c3a2c8 |
14 | 325544b |
15 | 2167cdc |
hex | 16c3dbb |
23870907 has 12 divisors (see below), whose sum is σ = 36508680. Its totient is φ = 14977728.
The previous prime is 23870893. The next prime is 23870921. The reversal of 23870907 is 70907832.
It is an interprime number because it is at equal distance from previous prime (23870893) and next prime (23870921).
It is not a de Polignac number, because 23870907 - 212 = 23866811 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (23870507) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77857 + ... + 78162.
It is an arithmetic number, because the mean of its divisors is an integer number (3042390).
Almost surely, 223870907 is an apocalyptic number.
23870907 is a deficient number, since it is larger than the sum of its proper divisors (12637773).
23870907 is a wasteful number, since it uses less digits than its factorization.
23870907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156042 (or 156039 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 23870907 is about 4885.7862212749. The cubic root of 23870907 is about 287.9318053236.
The spelling of 23870907 in words is "twenty-three million, eight hundred seventy thousand, nine hundred seven".
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