Base | Representation |
---|---|
bin | 1100111010011… |
… | …0001001010011 |
3 | 10202220111200102 |
4 | 3032212021103 |
5 | 102331023112 |
6 | 5212443015 |
7 | 1225222526 |
oct | 316461123 |
9 | 122814612 |
10 | 54157907 |
11 | 28630701 |
12 | 1617946b |
13 | b2b2acb |
14 | 729abbd |
15 | 4b4bbc2 |
hex | 33a6253 |
54157907 has 2 divisors, whose sum is σ = 54157908. Its totient is φ = 54157906.
The previous prime is 54157853. The next prime is 54157921. The reversal of 54157907 is 70975145.
54157907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 54157907 - 212 = 54153811 is a prime.
It is not a weakly prime, because it can be changed into another prime (54154907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27078953 + 27078954.
It is an arithmetic number, because the mean of its divisors is an integer number (27078954).
Almost surely, 254157907 is an apocalyptic number.
54157907 is a deficient number, since it is larger than the sum of its proper divisors (1).
54157907 is an equidigital number, since it uses as much as digits as its factorization.
54157907 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 44100, while the sum is 38.
The square root of 54157907 is about 7359.2055957148. The cubic root of 54157907 is about 378.3443830127.
The spelling of 54157907 in words is "fifty-four million, one hundred fifty-seven thousand, nine hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •