Base | Representation |
---|---|
bin | 1110000000111… |
… | …0011011110101 |
3 | 11002121022011010 |
4 | 3200032123311 |
5 | 110021420011 |
6 | 5455502433 |
7 | 1312421313 |
oct | 340163365 |
9 | 132538133 |
10 | 58779381 |
11 | 301a7901 |
12 | 17827a19 |
13 | c2404cb |
14 | 7b410b3 |
15 | 52611a6 |
hex | 380e6f5 |
58779381 has 16 divisors (see below), whose sum is σ = 80294144. Its totient is φ = 38237184.
The previous prime is 58779367. The next prime is 58779389. The reversal of 58779381 is 18397785.
It is not a de Polignac number, because 58779381 - 222 = 54585077 is a prime.
It is a super-2 number, since 2×587793812 = 6910031261486322, which contains 22 as substring.
It is a Duffinian number.
Its product of digits (423360) is a multiple of the sum of its prime divisors (2940).
It is a self number, because there is not a number n which added to its sum of digits gives 58779381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (58779389) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19860 + ... + 22626.
It is an arithmetic number, because the mean of its divisors is an integer number (5018384).
Almost surely, 258779381 is an apocalyptic number.
It is an amenable number.
58779381 is a deficient number, since it is larger than the sum of its proper divisors (21514763).
58779381 is a wasteful number, since it uses less digits than its factorization.
58779381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2940.
The product of its digits is 423360, while the sum is 48.
The square root of 58779381 is about 7666.7712239247. The cubic root of 58779381 is about 388.8137988020.
The spelling of 58779381 in words is "fifty-eight million, seven hundred seventy-nine thousand, three hundred eighty-one".
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