Base | Representation |
---|---|
bin | 101100001001… |
… | …0000100011101 |
3 | 1121112202210111 |
4 | 1120102010131 |
5 | 21411031220 |
6 | 2144010021 |
7 | 400465246 |
oct | 130220435 |
9 | 47482714 |
10 | 23142685 |
11 | 12077495 |
12 | 7900911 |
13 | 4a439c7 |
14 | 3105ccd |
15 | 207215a |
hex | 161211d |
23142685 has 8 divisors (see below), whose sum is σ = 27878400. Its totient is φ = 18442704.
The previous prime is 23142683. The next prime is 23142689. The reversal of 23142685 is 58624132.
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 23142685 - 21 = 23142683 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23142683) 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, 7485 + ... + 10114.
It is an arithmetic number, because the mean of its divisors is an integer number (3484800).
Almost surely, 223142685 is an apocalyptic number.
It is an amenable number.
23142685 is a deficient number, since it is larger than the sum of its proper divisors (4735715).
23142685 is a wasteful number, since it uses less digits than its factorization.
23142685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17867.
The product of its digits is 11520, while the sum is 31.
The square root of 23142685 is about 4810.6844627350. The cubic root of 23142685 is about 284.9735689041.
The spelling of 23142685 in words is "twenty-three million, one hundred forty-two thousand, six hundred eighty-five".
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