Base | Representation |
---|---|
bin | 1100001001111… |
… | …0001010010111 |
3 | 10112221000200212 |
4 | 3002132022113 |
5 | 101022320404 |
6 | 5020400035 |
7 | 1156214135 |
oct | 302361227 |
9 | 115830625 |
10 | 50979479 |
11 | 2685a701 |
12 | 150a601b |
13 | a73c195 |
14 | 6ab0755 |
15 | 472006e |
hex | 309e297 |
50979479 has 4 divisors (see below), whose sum is σ = 50993760. Its totient is φ = 50965200.
The previous prime is 50979473. The next prime is 50979497. The reversal of 50979479 is 97497905.
50979479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97497905 = 5 ⋅19499581.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-50979479 is a prime.
It is a super-2 number, since 2×509794792 = 5197814558222882, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50979473) 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 in 3 ways as a sum of consecutive naturals, for example, 3554 + ... + 10704.
It is an arithmetic number, because the mean of its divisors is an integer number (12748440).
Almost surely, 250979479 is an apocalyptic number.
50979479 is a deficient number, since it is larger than the sum of its proper divisors (14281).
50979479 is an equidigital number, since it uses as much as digits as its factorization.
50979479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14280.
The product of its (nonzero) digits is 714420, while the sum is 50.
The square root of 50979479 is about 7139.9915266056. The cubic root of 50979479 is about 370.7932312426.
The spelling of 50979479 in words is "fifty million, nine hundred seventy-nine thousand, four hundred seventy-nine".
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