Base | Representation |
---|---|
bin | 1101000001001… |
… | …1010101100011 |
3 | 10210202020012011 |
4 | 3100103111203 |
5 | 102434331110 |
6 | 5230213351 |
7 | 1232064463 |
oct | 320232543 |
9 | 123666164 |
10 | 54605155 |
11 | 28906730 |
12 | 16354257 |
13 | b40b557 |
14 | 7375ba3 |
15 | 4bd948a |
hex | 3413563 |
54605155 has 16 divisors (see below), whose sum is σ = 73417824. Its totient is φ = 38638080.
The previous prime is 54605147. The next prime is 54605171. The reversal of 54605155 is 55150645.
It is not a de Polignac number, because 54605155 - 23 = 54605147 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11382 + ... + 15451.
It is an arithmetic number, because the mean of its divisors is an integer number (4588614).
Almost surely, 254605155 is an apocalyptic number.
54605155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
54605155 is a deficient number, since it is larger than the sum of its proper divisors (18812669).
54605155 is a wasteful number, since it uses less digits than its factorization.
54605155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26886.
The product of its (nonzero) digits is 15000, while the sum is 31.
The square root of 54605155 is about 7389.5300933145. The cubic root of 54605155 is about 379.3830130836.
Subtracting 54605155 from its reverse (55150645), we obtain a triangular number (545490 = T1044).
The spelling of 54605155 in words is "fifty-four million, six hundred five thousand, one hundred fifty-five".
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