Base | Representation |
---|---|
bin | 101001111011… |
… | …110100100011 |
3 | 202200111110121 |
4 | 221323310203 |
5 | 10303233211 |
6 | 1031341111 |
7 | 162303235 |
oct | 51736443 |
9 | 22614417 |
10 | 10992931 |
11 | 6229174 |
12 | 3821797 |
13 | 237b7c1 |
14 | 1662255 |
15 | e72271 |
hex | a7bd23 |
10992931 has 4 divisors (see below), whose sum is σ = 11639592. Its totient is φ = 10346272.
The previous prime is 10992923. The next prime is 10992953. The reversal of 10992931 is 13929901.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13929901 = 151 ⋅92251.
It is a cyclic number.
It is not a de Polignac number, because 10992931 - 23 = 10992923 is a prime.
It is a super-2 number, since 2×109929312 = 241689063941522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10992901) 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, 323305 + ... + 323338.
It is an arithmetic number, because the mean of its divisors is an integer number (2909898).
Almost surely, 210992931 is an apocalyptic number.
10992931 is a deficient number, since it is larger than the sum of its proper divisors (646661).
10992931 is an equidigital number, since it uses as much as digits as its factorization.
10992931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 646660.
The product of its (nonzero) digits is 4374, while the sum is 34.
The square root of 10992931 is about 3315.5589272399. The cubic root of 10992931 is about 222.3503584989.
The spelling of 10992931 in words is "ten million, nine hundred ninety-two thousand, nine hundred thirty-one".
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