Base | Representation |
---|---|
bin | 110000100101001… |
… | …100100010100010 |
3 | 2002210200012002110 |
4 | 300211030202202 |
5 | 3132123311213 |
6 | 212513300150 |
7 | 26124604434 |
oct | 6045144242 |
9 | 2083605073 |
10 | 815057058 |
11 | 389095482 |
12 | 1a8b64656 |
13 | ccb254aa |
14 | 7a368654 |
15 | 4b84d5c3 |
hex | 3094c8a2 |
815057058 has 16 divisors (see below), whose sum is σ = 1633832640. Its totient is φ = 271065936.
The previous prime is 815057011. The next prime is 815057059. The reversal of 815057058 is 850750518.
It is not an unprimeable number, because it can be changed into a prime (815057059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152085 + ... + 157352.
It is an arithmetic number, because the mean of its divisors is an integer number (102114540).
Almost surely, 2815057058 is an apocalyptic number.
815057058 is an abundant number, since it is smaller than the sum of its proper divisors (818775582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
815057058 is a wasteful number, since it uses less digits than its factorization.
815057058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309881.
The product of its (nonzero) digits is 56000, while the sum is 39.
The square root of 815057058 is about 28549.2041570339. The cubic root of 815057058 is about 934.1056612654.
The spelling of 815057058 in words is "eight hundred fifteen million, fifty-seven thousand, fifty-eight".
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