Base | Representation |
---|---|
bin | 101011111110… |
… | …1010010000101 |
3 | 1121101110000000 |
4 | 1113331102011 |
5 | 21400320131 |
6 | 2142111513 |
7 | 366662103 |
oct | 127752205 |
9 | 47343000 |
10 | 23057541 |
11 | 12019521 |
12 | 787b599 |
13 | 4a14020 |
14 | 30c2c73 |
15 | 2056ce6 |
hex | 15fd485 |
23057541 has 32 divisors (see below), whose sum is σ = 37287040. Its totient is φ = 14171760.
The previous prime is 23057513. The next prime is 23057543. The reversal of 23057541 is 14575032.
It is a happy number.
It is not a de Polignac number, because 23057541 - 27 = 23057413 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23057543) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28026 + ... + 28836.
It is an arithmetic number, because the mean of its divisors is an integer number (1165220).
Almost surely, 223057541 is an apocalyptic number.
It is an amenable number.
23057541 is a deficient number, since it is larger than the sum of its proper divisors (14229499).
23057541 is an frugal number, since it uses more digits than its factorization.
23057541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 845 (or 827 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 23057541 is about 4801.8268398600. The cubic root of 23057541 is about 284.6236583855.
The spelling of 23057541 in words is "twenty-three million, fifty-seven thousand, five hundred forty-one".
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