Base | Representation |
---|---|
bin | 1101000001110… |
… | …0011100010111 |
3 | 10210211010100122 |
4 | 3100130130113 |
5 | 102442024310 |
6 | 5231102155 |
7 | 1232311310 |
oct | 320343427 |
9 | 123733318 |
10 | 54642455 |
11 | 2893175a |
12 | 1637195b |
13 | b42251a |
14 | 7385607 |
15 | 4be5555 |
hex | 341c717 |
54642455 has 8 divisors (see below), whose sum is σ = 74938272. Its totient is φ = 37469088.
The previous prime is 54642433. The next prime is 54642487. The reversal of 54642455 is 55424645.
54642455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54642455 - 26 = 54642391 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1561213 = 54642455 / (5 + 4 + 6 + 4 + 2 + 4 + 5 + 5).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780572 + ... + 780641.
It is an arithmetic number, because the mean of its divisors is an integer number (9367284).
Almost surely, 254642455 is an apocalyptic number.
54642455 is a deficient number, since it is larger than the sum of its proper divisors (20295817).
54642455 is a wasteful number, since it uses less digits than its factorization.
54642455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1561225.
The product of its digits is 96000, while the sum is 35.
The square root of 54642455 is about 7392.0535035942. The cubic root of 54642455 is about 379.4693771244.
The spelling of 54642455 in words is "fifty-four million, six hundred forty-two thousand, four hundred fifty-five".
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