Base | Representation |
---|---|
bin | 1100111110111… |
… | …1001101001001 |
3 | 10210110201011220 |
4 | 3033233031021 |
5 | 102420112121 |
6 | 5223112253 |
7 | 1230610143 |
oct | 317571511 |
9 | 123421156 |
10 | 54457161 |
11 | 28815520 |
12 | 162a2689 |
13 | b389095 |
14 | 7337c93 |
15 | 4baa6c6 |
hex | 33ef349 |
54457161 has 16 divisors (see below), whose sum is σ = 80898048. Its totient is φ = 32301200.
The previous prime is 54457147. The next prime is 54457181. The reversal of 54457161 is 16175445.
It is a cyclic number.
It is not a de Polignac number, because 54457161 - 211 = 54455113 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (54457181) 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, 16005 + ... + 19106.
It is an arithmetic number, because the mean of its divisors is an integer number (5056128).
Almost surely, 254457161 is an apocalyptic number.
It is an amenable number.
54457161 is a deficient number, since it is larger than the sum of its proper divisors (26440887).
54457161 is a wasteful number, since it uses less digits than its factorization.
54457161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35172.
The product of its digits is 16800, while the sum is 33.
The square root of 54457161 is about 7379.5095365478. The cubic root of 54457161 is about 379.0399611631.
The spelling of 54457161 in words is "fifty-four million, four hundred fifty-seven thousand, one hundred sixty-one".
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