Base | Representation |
---|---|
bin | 101100000100… |
… | …0000011011100 |
3 | 1121110200112001 |
4 | 1120020003130 |
5 | 21403223120 |
6 | 2143052044 |
7 | 400234531 |
oct | 130100334 |
9 | 47420461 |
10 | 23101660 |
11 | 1204968a |
12 | 78a1024 |
13 | 4a2b12a |
14 | 30d4d88 |
15 | 2064e0a |
hex | 16080dc |
23101660 has 24 divisors (see below), whose sum is σ = 50623776. Its totient is φ = 8838720.
The previous prime is 23101651. The next prime is 23101669. The reversal of 23101660 is 6610132.
It is an interprime number because it is at equal distance from previous prime (23101651) and next prime (23101669).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23101669) 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, 24651 + ... + 25570.
It is an arithmetic number, because the mean of its divisors is an integer number (2109324).
Almost surely, 223101660 is an apocalyptic number.
23101660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23101660 is an abundant number, since it is smaller than the sum of its proper divisors (27522116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23101660 is a wasteful number, since it uses less digits than its factorization.
23101660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50253 (or 50251 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 23101660 is about 4806.4186251304. The cubic root of 23101660 is about 284.8050785769.
Adding to 23101660 its reverse (6610132), we get a palindrome (29711792).
The spelling of 23101660 in words is "twenty-three million, one hundred one thousand, six hundred sixty".
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