Base | Representation |
---|---|
bin | 1101110110100… |
… | …1010010100101 |
3 | 11001022221021002 |
4 | 3131221102211 |
5 | 104333243244 |
6 | 5433203045 |
7 | 1303603232 |
oct | 335512245 |
9 | 131287232 |
10 | 58102949 |
11 | 2a885673 |
12 | 17560485 |
13 | c064658 |
14 | 7a06789 |
15 | 517aa4e |
hex | 37694a5 |
58102949 has 4 divisors (see below), whose sum is σ = 58245420. Its totient is φ = 57960480.
The previous prime is 58102943. The next prime is 58103009. The reversal of 58102949 is 94920185.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 49252324 + 8850625 = 7018^2 + 2975^2 .
It is a cyclic number.
It is not a de Polignac number, because 58102949 - 220 = 57054373 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (58102943) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70622 + ... + 71439.
It is an arithmetic number, because the mean of its divisors is an integer number (14561355).
Almost surely, 258102949 is an apocalyptic number.
It is an amenable number.
58102949 is a deficient number, since it is larger than the sum of its proper divisors (142471).
58102949 is a wasteful number, since it uses less digits than its factorization.
58102949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142470.
The product of its (nonzero) digits is 25920, while the sum is 38.
The square root of 58102949 is about 7622.5290422536. The cubic root of 58102949 is about 387.3165533346.
The spelling of 58102949 in words is "fifty-eight million, one hundred two thousand, nine hundred forty-nine".
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