Base | Representation |
---|---|
bin | 101101001001… |
… | …1010100101101 |
3 | 1122112200000210 |
4 | 1122103110231 |
5 | 22030001414 |
6 | 2203213033 |
7 | 405131616 |
oct | 132232455 |
9 | 48480023 |
10 | 23672109 |
11 | 123a922a |
12 | 7b17179 |
13 | 4b9a986 |
14 | 3202c0d |
15 | 2128e59 |
hex | 169352d |
23672109 has 16 divisors (see below), whose sum is σ = 33625152. Its totient is φ = 14761728.
The previous prime is 23672071. The next prime is 23672123. The reversal of 23672109 is 90127632.
It is not a de Polignac number, because 23672109 - 27 = 23671981 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23672179) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7482 + ... + 10164.
It is an arithmetic number, because the mean of its divisors is an integer number (2101572).
Almost surely, 223672109 is an apocalyptic number.
It is an amenable number.
23672109 is a deficient number, since it is larger than the sum of its proper divisors (9953043).
23672109 is a wasteful number, since it uses less digits than its factorization.
23672109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2876.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 23672109 is about 4865.3991614255. The cubic root of 23672109 is about 287.1302730627.
The spelling of 23672109 in words is "twenty-three million, six hundred seventy-two thousand, one hundred nine".
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