Base | Representation |
---|---|
bin | 1100111011011… |
… | …1010000001011 |
3 | 10210001001210200 |
4 | 3032313100023 |
5 | 102340243404 |
6 | 5214143243 |
7 | 1225634031 |
oct | 316672013 |
9 | 123031720 |
10 | 54227979 |
11 | 28679313 |
12 | 161b1b23 |
13 | b308980 |
14 | 72b8551 |
15 | 4b62839 |
hex | 33b740b |
54227979 has 24 divisors (see below), whose sum is σ = 84717360. Its totient is φ = 33227712.
The previous prime is 54227923. The next prime is 54227983. The reversal of 54227979 is 97972245.
It is a de Polignac number, because none of the positive numbers 2k-54227979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54227179) 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, 30612 + ... + 32334.
It is an arithmetic number, because the mean of its divisors is an integer number (3529890).
Almost surely, 254227979 is an apocalyptic number.
54227979 is a deficient number, since it is larger than the sum of its proper divisors (30489381).
54227979 is a wasteful number, since it uses less digits than its factorization.
54227979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2011 (or 2008 counting only the distinct ones).
The product of its digits is 317520, while the sum is 45.
The square root of 54227979 is about 7363.9648967116. The cubic root of 54227979 is about 378.5074858319.
The spelling of 54227979 in words is "fifty-four million, two hundred twenty-seven thousand, nine hundred seventy-nine".
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