Base | Representation |
---|---|
bin | 101100000110… |
… | …0111100110010 |
3 | 1121111201000210 |
4 | 1120030330302 |
5 | 21404343324 |
6 | 2143324550 |
7 | 400350150 |
oct | 130147462 |
9 | 47451023 |
10 | 23121714 |
11 | 12062760 |
12 | 78b0756 |
13 | 4a372b5 |
14 | 30dc3d0 |
15 | 206ad29 |
hex | 160cf32 |
23121714 has 32 divisors (see below), whose sum is σ = 57655296. Its totient is φ = 6005520.
The previous prime is 23121673. The next prime is 23121719. The reversal of 23121714 is 41712132.
It is a super-2 number, since 2×231217142 = 1069227316595592, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (23121719) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24562 + ... + 25485.
It is an arithmetic number, because the mean of its divisors is an integer number (1801728).
Almost surely, 223121714 is an apocalyptic number.
23121714 is an abundant number, since it is smaller than the sum of its proper divisors (34533582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23121714 is a wasteful number, since it uses less digits than its factorization.
23121714 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50070.
The product of its digits is 336, while the sum is 21.
The square root of 23121714 is about 4808.5043412687. The cubic root of 23121714 is about 284.8874655738.
Adding to 23121714 its reverse (41712132), we get a palindrome (64833846).
It can be divided in two parts, 231 and 21714, that added together give a triangular number (21945 = T209).
The spelling of 23121714 in words is "twenty-three million, one hundred twenty-one thousand, seven hundred fourteen".
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