Base | Representation |
---|---|
bin | 1101000101111… |
… | …0111110101001 |
3 | 10211022222012100 |
4 | 3101132332221 |
5 | 103024234420 |
6 | 5241004013 |
7 | 1234524666 |
oct | 321367651 |
9 | 124288170 |
10 | 54914985 |
11 | 28aa8494 |
12 | 16483609 |
13 | b4b9598 |
14 | 7416a6d |
15 | 4c4b190 |
hex | 345efa9 |
54914985 has 12 divisors (see below), whose sum is σ = 95186052. Its totient is φ = 29287968.
The previous prime is 54914969. The next prime is 54915001. The reversal of 54914985 is 58941945.
54914985 is a `hidden beast` number, since 549 + 14 + 98 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (54914969) and next prime (54915001).
It can be written as a sum of positive squares in 2 ways, for example, as 40717161 + 14197824 = 6381^2 + 3768^2 .
It is not a de Polignac number, because 54914985 - 24 = 54914969 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1220333 = 54914985 / (5 + 4 + 9 + 1 + 4 + 9 + 8 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 54914985.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610122 + ... + 610211.
It is an arithmetic number, because the mean of its divisors is an integer number (7932171).
Almost surely, 254914985 is an apocalyptic number.
It is an amenable number.
54914985 is a deficient number, since it is larger than the sum of its proper divisors (40271067).
54914985 is a wasteful number, since it uses less digits than its factorization.
54914985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1220344 (or 1220341 counting only the distinct ones).
The product of its digits is 259200, while the sum is 45.
The square root of 54914985 is about 7410.4645603363. The cubic root of 54914985 is about 380.0992007860.
The spelling of 54914985 in words is "fifty-four million, nine hundred fourteen thousand, nine hundred eighty-five".
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