Base | Representation |
---|---|
bin | 1101000101011… |
… | …0111101011010 |
3 | 10211021022010210 |
4 | 3101112331122 |
5 | 103022212023 |
6 | 5240151550 |
7 | 1234330143 |
oct | 321267532 |
9 | 124238123 |
10 | 54882138 |
11 | 28a85843 |
12 | 164685b6 |
13 | b4a764c |
14 | 7408aca |
15 | 4c41593 |
hex | 3456f5a |
54882138 has 8 divisors (see below), whose sum is σ = 109764288. Its totient is φ = 18294044.
The previous prime is 54882109. The next prime is 54882143. The reversal of 54882138 is 83128845.
It is a sphenic number, since it is the product of 3 distinct primes.
54882138 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 54882096 and 54882105.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4573506 + ... + 4573517.
It is an arithmetic number, because the mean of its divisors is an integer number (13720536).
Almost surely, 254882138 is an apocalyptic number.
54882138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54882138 is a wasteful number, since it uses less digits than its factorization.
54882138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9147028.
The product of its digits is 61440, while the sum is 39.
The square root of 54882138 is about 7408.2479710118. The cubic root of 54882138 is about 380.0234011443.
It can be divided in two parts, 5488 and 2138, that added together give a triangular number (7626 = T123).
The spelling of 54882138 in words is "fifty-four million, eight hundred eighty-two thousand, one hundred thirty-eight".
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