Base | Representation |
---|---|
bin | 1100111010001… |
… | …0101010001001 |
3 | 10202212210002110 |
4 | 3032202222021 |
5 | 102330044000 |
6 | 5212252533 |
7 | 1225133064 |
oct | 316425211 |
9 | 122783073 |
10 | 54143625 |
11 | 286209a8 |
12 | 16171149 |
13 | b2a9463 |
14 | 72958db |
15 | 4b47850 |
hex | 33a2a89 |
54143625 has 16 divisors (see below), whose sum is σ = 90095616. Its totient is φ = 28876400.
The previous prime is 54143603. The next prime is 54143627. The reversal of 54143625 is 52634145.
It is not a de Polignac number, because 54143625 - 27 = 54143497 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54143592 and 54143601.
It is not an unprimeable number, because it can be changed into a prime (54143627) 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, 71817 + ... + 72566.
It is an arithmetic number, because the mean of its divisors is an integer number (5630976).
Almost surely, 254143625 is an apocalyptic number.
It is an amenable number.
54143625 is a deficient number, since it is larger than the sum of its proper divisors (35951991).
54143625 is a wasteful number, since it uses less digits than its factorization.
54143625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144401 (or 144391 counting only the distinct ones).
The product of its digits is 14400, while the sum is 30.
The square root of 54143625 is about 7358.2351824334. The cubic root of 54143625 is about 378.3111223136.
The spelling of 54143625 in words is "fifty-four million, one hundred forty-three thousand, six hundred twenty-five".
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