Base | Representation |
---|---|
bin | 1100111001010… |
… | …1111110111001 |
3 | 10202210010212111 |
4 | 3032111332321 |
5 | 102321413310 |
6 | 5211212321 |
7 | 1224525523 |
oct | 316257671 |
9 | 122703774 |
10 | 54091705 |
11 | 28595998 |
12 | 161470a1 |
13 | b28b935 |
14 | 7280a13 |
15 | 4b3728a |
hex | 3395fb9 |
54091705 has 16 divisors (see below), whose sum is σ = 69704064. Its totient is φ = 40149760.
The previous prime is 54091703. The next prime is 54091769. The reversal of 54091705 is 50719045.
It is not a de Polignac number, because 54091705 - 21 = 54091703 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54091703) by changing a digit.
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, 1554 + ... + 10516.
It is an arithmetic number, because the mean of its divisors is an integer number (4356504).
Almost surely, 254091705 is an apocalyptic number.
It is an amenable number.
54091705 is a deficient number, since it is larger than the sum of its proper divisors (15612359).
54091705 is a wasteful number, since it uses less digits than its factorization.
54091705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9056.
The product of its (nonzero) digits is 6300, while the sum is 31.
The square root of 54091705 is about 7354.7063163664. The cubic root of 54091705 is about 378.1901588870.
The spelling of 54091705 in words is "fifty-four million, ninety-one thousand, seven hundred five".
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