Base | Representation |
---|---|
bin | 101011111100… |
… | …1110110100101 |
3 | 1121100201201201 |
4 | 1113321312211 |
5 | 21344342433 |
6 | 2141522501 |
7 | 366603124 |
oct | 127716645 |
9 | 47321651 |
10 | 23043493 |
11 | 12009a10 |
12 | 7873431 |
13 | 4a0a805 |
14 | 30bbabb |
15 | 2052a7d |
hex | 15f9da5 |
23043493 has 8 divisors (see below), whose sum is σ = 26231616. Its totient is φ = 20037600.
The previous prime is 23043491. The next prime is 23043497. The reversal of 23043493 is 39434032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23043493 - 21 = 23043491 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 (23043491) 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, 45288 + ... + 45793.
It is an arithmetic number, because the mean of its divisors is an integer number (3278952).
Almost surely, 223043493 is an apocalyptic number.
23043493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
23043493 is a deficient number, since it is larger than the sum of its proper divisors (3188123).
23043493 is a wasteful number, since it uses less digits than its factorization.
23043493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91115.
The product of its (nonzero) digits is 7776, while the sum is 28.
The square root of 23043493 is about 4800.3638403771. The cubic root of 23043493 is about 284.5658435265.
The spelling of 23043493 in words is "twenty-three million, forty-three thousand, four hundred ninety-three".
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