Base | Representation |
---|---|
bin | 1101000101111… |
… | …1101101101011 |
3 | 10211100010022211 |
4 | 3101133231223 |
5 | 103024333440 |
6 | 5241025551 |
7 | 1234536526 |
oct | 321375553 |
9 | 124303284 |
10 | 54917995 |
11 | 28aaa780 |
12 | 164852b7 |
13 | b4baa72 |
14 | 7417bbd |
15 | 4c4beea |
hex | 345fb6b |
54917995 has 16 divisors (see below), whose sum is σ = 73075680. Its totient is φ = 39283200.
The previous prime is 54917977. The next prime is 54918011. The reversal of 54917995 is 59971945.
It is not a de Polignac number, because 54917995 - 25 = 54917963 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4830 + ... + 11539.
It is an arithmetic number, because the mean of its divisors is an integer number (4567230).
Almost surely, 254917995 is an apocalyptic number.
54917995 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
54917995 is a deficient number, since it is larger than the sum of its proper divisors (18157685).
54917995 is a wasteful number, since it uses less digits than its factorization.
54917995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16446.
The product of its digits is 510300, while the sum is 49.
The square root of 54917995 is about 7410.6676487345. The cubic root of 54917995 is about 380.1061453246.
The spelling of 54917995 in words is "fifty-four million, nine hundred seventeen thousand, nine hundred ninety-five".
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