Base | Representation |
---|---|
bin | 101100000011… |
… | …1011001001101 |
3 | 1121110112210221 |
4 | 1120013121031 |
5 | 21403131312 |
6 | 2143031341 |
7 | 400223620 |
oct | 130073115 |
9 | 47415727 |
10 | 23098957 |
11 | 12047652 |
12 | 789b551 |
13 | 4a29b2b |
14 | 30d3db7 |
15 | 2064207 |
hex | 160764d |
23098957 has 4 divisors (see below), whose sum is σ = 26398816. Its totient is φ = 19799100.
The previous prime is 23098951. The next prime is 23098963. The reversal of 23098957 is 75989032.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (23098951) and next prime (23098963).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23098957 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 (23098951) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649919 + ... + 1649932.
It is an arithmetic number, because the mean of its divisors is an integer number (6599704).
Almost surely, 223098957 is an apocalyptic number.
It is an amenable number.
23098957 is a deficient number, since it is larger than the sum of its proper divisors (3299859).
23098957 is an equidigital number, since it uses as much as digits as its factorization.
23098957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3299858.
The product of its (nonzero) digits is 136080, while the sum is 43.
The square root of 23098957 is about 4806.1374304112. The cubic root of 23098957 is about 284.7939703109.
The spelling of 23098957 in words is "twenty-three million, ninety-eight thousand, nine hundred fifty-seven".
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