Base | Representation |
---|---|
bin | 1101110111001… |
… | …1000010111101 |
3 | 11001101222002002 |
4 | 3131303002331 |
5 | 104341033114 |
6 | 5434112045 |
7 | 1304130566 |
oct | 335630275 |
9 | 131358062 |
10 | 58142909 |
11 | 2a9026a0 |
12 | 1757b625 |
13 | c0798b6 |
14 | 7a1716d |
15 | 51877de |
hex | 37730bd |
58142909 has 16 divisors (see below), whose sum is σ = 64570176. Its totient is φ = 51916800.
The previous prime is 58142881. The next prime is 58142927. The reversal of 58142909 is 90924185.
It is a cyclic number.
It is not a de Polignac number, because 58142909 - 28 = 58142653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (58142939) 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, 226109 + ... + 226365.
It is an arithmetic number, because the mean of its divisors is an integer number (4035636).
Almost surely, 258142909 is an apocalyptic number.
It is an amenable number.
58142909 is a deficient number, since it is larger than the sum of its proper divisors (6427267).
58142909 is a wasteful number, since it uses less digits than its factorization.
58142909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 556.
The product of its (nonzero) digits is 25920, while the sum is 38.
The square root of 58142909 is about 7625.1497690209. The cubic root of 58142909 is about 387.4053246332.
The spelling of 58142909 in words is "fifty-eight million, one hundred forty-two thousand, nine hundred nine".
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