Base | Representation |
---|---|
bin | 1100111100001… |
… | …0001010110001 |
3 | 10210010100010121 |
4 | 3033002022301 |
5 | 102343211224 |
6 | 5215130241 |
7 | 1226211262 |
oct | 317021261 |
9 | 123110117 |
10 | 54272689 |
11 | 286a9969 |
12 | 16213981 |
13 | b323123 |
14 | 72ca969 |
15 | 4b70be4 |
hex | 33c22b1 |
54272689 has 9 divisors (see below), whose sum is σ = 55716843. Its totient is φ = 52865592.
The previous prime is 54272681. The next prime is 54272693. The reversal of 54272689 is 98627245.
The square root of 54272689 is 7367.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 39125025 + 15147664 = 6255^2 + 3892^2 .
It is not a de Polignac number, because 54272689 - 23 = 54272681 is a prime.
It is a Duffinian number.
Its product of digits (241920) is a multiple of the sum of its prime divisors (192).
It is not an unprimeable number, because it can be changed into a prime (54272681) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 390382 + ... + 390520.
Almost surely, 254272689 is an apocalyptic number.
54272689 is the 7367-th square number.
54272689 is the 3684-th centered octagonal number.
It is an amenable number.
54272689 is a deficient number, since it is larger than the sum of its proper divisors (1444154).
54272689 is an frugal number, since it uses more digits than its factorization.
54272689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384 (or 192 counting only the distinct ones).
The product of its digits is 241920, while the sum is 43.
The cubic root of 54272689 is about 378.6114814765.
The spelling of 54272689 in words is "fifty-four million, two hundred seventy-two thousand, six hundred eighty-nine".
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