Base | Representation |
---|---|
bin | 101101001000… |
… | …011010010011 |
3 | 211021001222122 |
4 | 231020122103 |
5 | 11012042211 |
6 | 1101324455 |
7 | 202363340 |
oct | 55103223 |
9 | 24231878 |
10 | 11830931 |
11 | 6750832 |
12 | 3b6672b |
13 | 25b3068 |
14 | 17dd7c7 |
15 | 108a6db |
hex | b48693 |
11830931 has 8 divisors (see below), whose sum is σ = 13579104. Its totient is φ = 10097280.
The previous prime is 11830921. The next prime is 11830967. The reversal of 11830931 is 13903811.
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 11830931 - 222 = 7636627 is a prime.
It is a super-2 number, since 2×118309312 = 279941856653522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 11830931.
It is not an unprimeable number, because it can be changed into a prime (11830921) 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, 1820 + ... + 5193.
It is an arithmetic number, because the mean of its divisors is an integer number (1697388).
Almost surely, 211830931 is an apocalyptic number.
11830931 is a deficient number, since it is larger than the sum of its proper divisors (1748173).
11830931 is an equidigital number, since it uses as much as digits as its factorization.
11830931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7261.
The product of its (nonzero) digits is 648, while the sum is 26.
The square root of 11830931 is about 3439.6120420768. The cubic root of 11830931 is about 227.8625608018.
The spelling of 11830931 in words is "eleven million, eight hundred thirty thousand, nine hundred thirty-one".
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