Base | Representation |
---|---|
bin | 1100111100010… |
… | …1111101011111 |
3 | 10210011010102221 |
4 | 3033011331133 |
5 | 102344210343 |
6 | 5215330211 |
7 | 1226304463 |
oct | 317057537 |
9 | 123133387 |
10 | 54288223 |
11 | 2870a600 |
12 | 16220967 |
13 | b32a212 |
14 | 72d24a3 |
15 | 4b755ed |
hex | 33c5f5f |
54288223 has 24 divisors (see below), whose sum is σ = 63278208. Its totient is φ = 46464000.
The previous prime is 54288209. The next prime is 54288239. The reversal of 54288223 is 32288245.
It is a happy number.
It is not a de Polignac number, because 54288223 - 29 = 54287711 is a prime.
It is a super-2 number, since 2×542882232 = 5894422312995458, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54288253) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153615 + ... + 153967.
It is an arithmetic number, because the mean of its divisors is an integer number (2636592).
Almost surely, 254288223 is an apocalyptic number.
54288223 is a deficient number, since it is larger than the sum of its proper divisors (8989985).
54288223 is a wasteful number, since it uses less digits than its factorization.
54288223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 447 (or 436 counting only the distinct ones).
The product of its digits is 30720, while the sum is 34.
The square root of 54288223 is about 7368.0542207560. The cubic root of 54288223 is about 378.6476002552.
The spelling of 54288223 in words is "fifty-four million, two hundred eighty-eight thousand, two hundred twenty-three".
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