Base | Representation |
---|---|
bin | 101011111101… |
… | …0100000001101 |
3 | 1121100212101101 |
4 | 1113322200031 |
5 | 21344434112 |
6 | 2141543101 |
7 | 366613651 |
oct | 127724015 |
9 | 47325341 |
10 | 23046157 |
11 | 12010a12 |
12 | 7874a91 |
13 | 4a0baa4 |
14 | 30bca61 |
15 | 2053757 |
hex | 15fa80d |
23046157 has 4 divisors (see below), whose sum is σ = 23063296. Its totient is φ = 23029020.
The previous prime is 23046137. The next prime is 23046181. The reversal of 23046157 is 75164032.
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 a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23046157 is a prime.
It is a super-2 number, since 2×230461572 = 1062250704937298, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23046137) 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 3 ways as a sum of consecutive naturals, for example, 6363 + ... + 9304.
It is an arithmetic number, because the mean of its divisors is an integer number (5765824).
Almost surely, 223046157 is an apocalyptic number.
It is an amenable number.
23046157 is a deficient number, since it is larger than the sum of its proper divisors (17139).
23046157 is a wasteful number, since it uses less digits than its factorization.
23046157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17138.
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 23046157 is about 4800.6413113250. The cubic root of 23046157 is about 284.5768090833.
The spelling of 23046157 in words is "twenty-three million, forty-six thousand, one hundred fifty-seven".
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