Base | Representation |
---|---|
bin | 101100010100… |
… | …1000100010001 |
3 | 1121201120000020 |
4 | 1120221010101 |
5 | 21422040011 |
6 | 2150014053 |
7 | 401340003 |
oct | 130510421 |
9 | 47646006 |
10 | 23236881 |
11 | 12131238 |
12 | 7947329 |
13 | 4a77845 |
14 | 312c373 |
15 | 2090006 |
hex | 1629111 |
23236881 has 8 divisors (see below), whose sum is σ = 31168704. Its totient is φ = 15398160.
The previous prime is 23236861. The next prime is 23236883. The reversal of 23236881 is 18863232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23236881 - 26 = 23236817 is a prime.
It is a super-2 number, since 2×232368812 = 1079905277216322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23236883) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22690 + ... + 23691.
It is an arithmetic number, because the mean of its divisors is an integer number (3896088).
Almost surely, 223236881 is an apocalyptic number.
It is an amenable number.
23236881 is a deficient number, since it is larger than the sum of its proper divisors (7931823).
23236881 is a wasteful number, since it uses less digits than its factorization.
23236881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46551.
The product of its digits is 13824, while the sum is 33.
The square root of 23236881 is about 4820.4648116131. The cubic root of 23236881 is about 285.3596813033.
The spelling of 23236881 in words is "twenty-three million, two hundred thirty-six thousand, eight hundred eighty-one".
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