Base | Representation |
---|---|
bin | 1101000100001… |
… | …1001001010011 |
3 | 10211010011210220 |
4 | 3101003021103 |
5 | 103012112404 |
6 | 5234324123 |
7 | 1233541422 |
oct | 321031123 |
9 | 124104726 |
10 | 54800979 |
11 | 28a2a872 |
12 | 16429643 |
13 | b47971c |
14 | 73c72b9 |
15 | 4c274d9 |
hex | 3443253 |
54800979 has 16 divisors (see below), whose sum is σ = 77635872. Its totient is φ = 34265088.
The previous prime is 54800971. The next prime is 54800987. The reversal of 54800979 is 97900845.
It is an interprime number because it is at equal distance from previous prime (54800971) and next prime (54800987).
It is not a de Polignac number, because 54800979 - 23 = 54800971 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 54800979.
It is not an unprimeable number, because it can be changed into a prime (54800971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14247 + ... + 17679.
It is an arithmetic number, because the mean of its divisors is an integer number (4852242).
Almost surely, 254800979 is an apocalyptic number.
54800979 is a deficient number, since it is larger than the sum of its proper divisors (22834893).
54800979 is a wasteful number, since it uses less digits than its factorization.
54800979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3766.
The product of its (nonzero) digits is 90720, while the sum is 42.
The square root of 54800979 is about 7402.7683335358. The cubic root of 54800979 is about 379.8359841575.
The spelling of 54800979 in words is "fifty-four million, eight hundred thousand, nine hundred seventy-nine".
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