Base | Representation |
---|---|
bin | 101101001010… |
… | …1000000010101 |
3 | 1122120000110220 |
4 | 1122111000111 |
5 | 22030211442 |
6 | 2203304553 |
7 | 405160656 |
oct | 132250025 |
9 | 48500426 |
10 | 23678997 |
11 | 12403421 |
12 | 7b1b159 |
13 | 4ba0b54 |
14 | 320552d |
15 | 212aeec |
hex | 1695015 |
23678997 has 16 divisors (see below), whose sum is σ = 33707520. Its totient is φ = 14742000.
The previous prime is 23678989. The next prime is 23678999. The reversal of 23678997 is 79987632.
It is not a de Polignac number, because 23678997 - 23 = 23678989 is a prime.
It is a zygodrome in base 4.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23678999) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122 + ... + 6972.
It is an arithmetic number, because the mean of its divisors is an integer number (2106720).
Almost surely, 223678997 is an apocalyptic number.
It is an amenable number.
23678997 is a deficient number, since it is larger than the sum of its proper divisors (10028523).
23678997 is a wasteful number, since it uses less digits than its factorization.
23678997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5944.
The product of its digits is 1143072, while the sum is 51.
The square root of 23678997 is about 4866.1069655321. The cubic root of 23678997 is about 287.1581196384.
The spelling of 23678997 in words is "twenty-three million, six hundred seventy-eight thousand, nine hundred ninety-seven".
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