Base | Representation |
---|---|
bin | 11011111001000001010 |
3 | 1201102200021 |
4 | 3133020022 |
5 | 213221210 |
6 | 31331054 |
7 | 10524343 |
oct | 3371012 |
9 | 1642607 |
10 | 913930 |
11 | 574716 |
12 | 380a8a |
13 | 25ccb4 |
14 | 19b0ca |
15 | 130bda |
hex | df20a |
913930 has 8 divisors (see below), whose sum is σ = 1645092. Its totient is φ = 365568.
The previous prime is 913921. The next prime is 913933. The reversal of 913930 is 39319.
913930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 851929 + 62001 = 923^2 + 249^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 913895 and 913904.
It is not an unprimeable number, because it can be changed into a prime (913933) by changing a digit.
913930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45687 + ... + 45706.
2913930 is an apocalyptic number.
913930 is a deficient number, since it is larger than the sum of its proper divisors (731162).
913930 is a wasteful number, since it uses less digits than its factorization.
913930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91400.
The product of its (nonzero) digits is 729, while the sum is 25.
The square root of 913930 is about 955.9968619195. The cubic root of 913930 is about 97.0445114027.
It can be divided in two parts, 9139 and 30, that multiplied together give a triangular number (274170 = T740).
The spelling of 913930 in words is "nine hundred thirteen thousand, nine hundred thirty".
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