Base | Representation |
---|---|
bin | 1101110110110… |
… | …1011101101101 |
3 | 11001100210201021 |
4 | 3131231131231 |
5 | 104334320140 |
6 | 5433414141 |
7 | 1304004124 |
oct | 335553555 |
9 | 131323637 |
10 | 58120045 |
11 | 2a8974a5 |
12 | 1756a351 |
13 | c06c379 |
14 | 7a0cabb |
15 | 5180b4a |
hex | 376d76d |
58120045 has 8 divisors (see below), whose sum is σ = 70699896. Its totient is φ = 45858816.
The previous prime is 58120043. The next prime is 58120061. The reversal of 58120045 is 54002185.
It can be written as a sum of positive squares in 4 ways, for example, as 11634921 + 46485124 = 3411^2 + 6818^2 .
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 58120045 - 21 = 58120043 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (58120043) 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, 79252 + ... + 79981.
It is an arithmetic number, because the mean of its divisors is an integer number (8837487).
Almost surely, 258120045 is an apocalyptic number.
It is an amenable number.
58120045 is a deficient number, since it is larger than the sum of its proper divisors (12579851).
58120045 is a wasteful number, since it uses less digits than its factorization.
58120045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159311.
The product of its (nonzero) digits is 1600, while the sum is 25.
The square root of 58120045 is about 7623.6503723610. The cubic root of 58120045 is about 387.3545371465.
The spelling of 58120045 in words is "fifty-eight million, one hundred twenty thousand, forty-five".
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