Base | Representation |
---|---|
bin | 1100111010010… |
… | …1111110111101 |
3 | 10202220110202220 |
4 | 3032211332331 |
5 | 102331012440 |
6 | 5212435553 |
7 | 1225220562 |
oct | 316457675 |
9 | 122813686 |
10 | 54157245 |
11 | 2863015a |
12 | 16178bb9 |
13 | b2b270c |
14 | 729a869 |
15 | 4b4b8d0 |
hex | 33a5fbd |
54157245 has 16 divisors (see below), whose sum is σ = 87336960. Its totient is φ = 28655424.
The previous prime is 54157219. The next prime is 54157247. The reversal of 54157245 is 54275145.
It is not a de Polignac number, because 54157245 - 217 = 54026173 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54157247) 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, 12310 + ... + 16119.
It is an arithmetic number, because the mean of its divisors is an integer number (5458560).
Almost surely, 254157245 is an apocalyptic number.
It is an amenable number.
54157245 is a deficient number, since it is larger than the sum of its proper divisors (33179715).
54157245 is a wasteful number, since it uses less digits than its factorization.
54157245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28564.
The product of its digits is 28000, while the sum is 33.
The square root of 54157245 is about 7359.1606178966. The cubic root of 54157245 is about 378.3428414403.
The spelling of 54157245 in words is "fifty-four million, one hundred fifty-seven thousand, two hundred forty-five".
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