Base | Representation |
---|---|
bin | 1100111001111… |
… | …1100100100011 |
3 | 10202212010202002 |
4 | 3032133210203 |
5 | 102324142404 |
6 | 5212114215 |
7 | 1225051160 |
oct | 316374443 |
9 | 122763662 |
10 | 54130979 |
11 | 28612451 |
12 | 1616596b |
13 | b2a3786 |
14 | 7291067 |
15 | 4b43c1e |
hex | 339f923 |
54130979 has 8 divisors (see below), whose sum is σ = 62443008. Its totient is φ = 45963720.
The previous prime is 54130969. The next prime is 54130987. The reversal of 54130979 is 97903145.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54130979 - 212 = 54126883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54130939) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35387 + ... + 36884.
It is an arithmetic number, because the mean of its divisors is an integer number (7805376).
Almost surely, 254130979 is an apocalyptic number.
54130979 is a deficient number, since it is larger than the sum of its proper divisors (8312029).
54130979 is a wasteful number, since it uses less digits than its factorization.
54130979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72385.
The product of its (nonzero) digits is 34020, while the sum is 38.
The square root of 54130979 is about 7357.3758229412. The cubic root of 54130979 is about 378.2816667377.
The spelling of 54130979 in words is "fifty-four million, one hundred thirty thousand, nine hundred seventy-nine".
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