Base | Representation |
---|---|
bin | 101011111110… |
… | …1000001000111 |
3 | 1121101101111210 |
4 | 1113331001013 |
5 | 21400301310 |
6 | 2142102503 |
7 | 366655662 |
oct | 127750107 |
9 | 47341453 |
10 | 23056455 |
11 | 12018724 |
12 | 787aa33 |
13 | 4a13696 |
14 | 30c26d9 |
15 | 2056820 |
hex | 15fd047 |
23056455 has 16 divisors (see below), whose sum is σ = 36973440. Its totient is φ = 12269088.
The previous prime is 23056441. The next prime is 23056459. The reversal of 23056455 is 55465032.
It is not a de Polignac number, because 23056455 - 29 = 23055943 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23056459) 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, 6376 + ... + 9314.
It is an arithmetic number, because the mean of its divisors is an integer number (2310840).
Almost surely, 223056455 is an apocalyptic number.
23056455 is a deficient number, since it is larger than the sum of its proper divisors (13916985).
23056455 is a wasteful number, since it uses less digits than its factorization.
23056455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3470.
The product of its (nonzero) digits is 18000, while the sum is 30.
The square root of 23056455 is about 4801.7137565665. The cubic root of 23056455 is about 284.6191897658.
The spelling of 23056455 in words is "twenty-three million, fifty-six thousand, four hundred fifty-five".
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