Base | Representation |
---|---|
bin | 111011001011110… |
… | …010101111001001 |
3 | 2120012101221102012 |
4 | 323023302233021 |
5 | 4013143302040 |
6 | 242310145305 |
7 | 33414624431 |
oct | 7313625711 |
9 | 2505357365 |
10 | 992947145 |
11 | 46a546983 |
12 | 238652235 |
13 | 12a93abb8 |
14 | 95c332c1 |
15 | 5c28b865 |
hex | 3b2f2bc9 |
992947145 has 16 divisors (see below), whose sum is σ = 1269803520. Its totient is φ = 743649984.
The previous prime is 992947139. The next prime is 992947171. The reversal of 992947145 is 541749299.
992947145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 992947145 - 214 = 992930761 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 992947093 and 992947102.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86450 + ... + 97259.
It is an arithmetic number, because the mean of its divisors is an integer number (79362720).
Almost surely, 2992947145 is an apocalyptic number.
It is an amenable number.
992947145 is a deficient number, since it is larger than the sum of its proper divisors (276856375).
992947145 is a wasteful number, since it uses less digits than its factorization.
992947145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183784.
The product of its digits is 816480, while the sum is 50.
The square root of 992947145 is about 31511.0638506541. The cubic root of 992947145 is about 997.6434996012.
The spelling of 992947145 in words is "nine hundred ninety-two million, nine hundred forty-seven thousand, one hundred forty-five".
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