Base | Representation |
---|---|
bin | 101011111111… |
… | …0101010001101 |
3 | 1121101201201220 |
4 | 1113332222031 |
5 | 21401010211 |
6 | 2142153553 |
7 | 400014411 |
oct | 127765215 |
9 | 47351656 |
10 | 23063181 |
11 | 12022789 |
12 | 78828b9 |
13 | 4a1676b |
14 | 30c4d41 |
15 | 2058806 |
hex | 15fea8d |
23063181 has 16 divisors (see below), whose sum is σ = 32501760. Its totient is φ = 14517360.
The previous prime is 23063171. The next prime is 23063189. The reversal of 23063181 is 18136032.
It is not a de Polignac number, because 23063181 - 217 = 22932109 is a prime.
It is a super-2 number, since 2×230631812 = 1063820635677522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23063189) 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, 3336 + ... + 7566.
It is an arithmetic number, because the mean of its divisors is an integer number (2031360).
Almost surely, 223063181 is an apocalyptic number.
It is an amenable number.
23063181 is a deficient number, since it is larger than the sum of its proper divisors (9438579).
23063181 is a wasteful number, since it uses less digits than its factorization.
23063181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4336.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 23063181 is about 4802.4140804391. The cubic root of 23063181 is about 284.6468633254.
The spelling of 23063181 in words is "twenty-three million, sixty-three thousand, one hundred eighty-one".
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