Base | Representation |
---|---|
bin | 101011110111… |
… | …1001111110110 |
3 | 1121021112010212 |
4 | 1113233033312 |
5 | 21342000204 |
6 | 2140545422 |
7 | 366332360 |
oct | 127571766 |
9 | 47245125 |
10 | 23000054 |
11 | 11a8a310 |
12 | 7852272 |
13 | 49c3acc |
14 | 30a9d30 |
15 | 2044c6e |
hex | 15ef3f6 |
23000054 has 16 divisors (see below), whose sum is σ = 43013376. Its totient is φ = 8961000.
The previous prime is 23000027. The next prime is 23000059. The reversal of 23000054 is 45000032.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23000059) 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, 74522 + ... + 74829.
It is an arithmetic number, because the mean of its divisors is an integer number (2688336).
Almost surely, 223000054 is an apocalyptic number.
23000054 is a deficient number, since it is larger than the sum of its proper divisors (20013322).
23000054 is a wasteful number, since it uses less digits than its factorization.
23000054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149371.
The product of its (nonzero) digits is 120, while the sum is 14.
The square root of 23000054 is about 4795.8371531986. The cubic root of 23000054 is about 284.3869205485.
Adding to 23000054 its reverse (45000032), we get a palindrome (68000086).
The spelling of 23000054 in words is "twenty-three million, fifty-four", and thus it is an aban number.
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