Base | Representation |
---|---|
bin | 1100111111010… |
… | …0101100011011 |
3 | 10210111212000120 |
4 | 3033310230123 |
5 | 102421322033 |
6 | 5223404323 |
7 | 1231032531 |
oct | 317645433 |
9 | 123455016 |
10 | 54479643 |
11 | 288303a9 |
12 | 162b36a3 |
13 | b39639a |
14 | 7342151 |
15 | 4bb21b3 |
hex | 33f4b1b |
54479643 has 8 divisors (see below), whose sum is σ = 73723968. Its totient is φ = 35777544.
The previous prime is 54479641. The next prime is 54479647. The reversal of 54479643 is 34697445.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54479643 - 21 = 54479641 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54479595 and 54479604.
It is not an unprimeable number, because it can be changed into a prime (54479641) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135321 + ... + 135722.
It is an arithmetic number, because the mean of its divisors is an integer number (9215496).
Almost surely, 254479643 is an apocalyptic number.
54479643 is a deficient number, since it is larger than the sum of its proper divisors (19244325).
54479643 is a wasteful number, since it uses less digits than its factorization.
54479643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271113.
The product of its digits is 362880, while the sum is 42.
The square root of 54479643 is about 7381.0326513300. The cubic root of 54479643 is about 379.0921147203.
The spelling of 54479643 in words is "fifty-four million, four hundred seventy-nine thousand, six hundred forty-three".
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