Base | Representation |
---|---|
bin | 101100010100… |
… | …1100101010101 |
3 | 1121201122220121 |
4 | 1120221211111 |
5 | 21422121442 |
6 | 2150031541 |
7 | 401346115 |
oct | 130514525 |
9 | 47648817 |
10 | 23238997 |
11 | 12132891 |
12 | 79485b1 |
13 | 4a787b2 |
14 | 312d045 |
15 | 2090967 |
hex | 1629955 |
23238997 has 8 divisors (see below), whose sum is σ = 23940000. Its totient is φ = 22541904.
The previous prime is 23238977. The next prime is 23239001. The reversal of 23238997 is 79983232.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23238997 - 27 = 23238869 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23238967) 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, 14754 + ... + 16252.
It is an arithmetic number, because the mean of its divisors is an integer number (2992500).
Almost surely, 223238997 is an apocalyptic number.
It is an amenable number.
23238997 is a deficient number, since it is larger than the sum of its proper divisors (701003).
23238997 is a wasteful number, since it uses less digits than its factorization.
23238997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1955.
The product of its digits is 163296, while the sum is 43.
The square root of 23238997 is about 4820.6842875260. The cubic root of 23238997 is about 285.3683428610.
The spelling of 23238997 in words is "twenty-three million, two hundred thirty-eight thousand, nine hundred ninety-seven".
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