Base | Representation |
---|---|
bin | 1001011100011… |
… | …11010000111001 |
3 | 12112002022010210 |
4 | 10232033100321 |
5 | 130240330014 |
6 | 11510101333 |
7 | 1651305165 |
oct | 456172071 |
9 | 175068123 |
10 | 79230009 |
11 | 407a5751 |
12 | 2264a849 |
13 | 13550a81 |
14 | a745ca5 |
15 | 6e50859 |
hex | 4b8f439 |
79230009 has 8 divisors (see below), whose sum is σ = 110233152. Its totient is φ = 50523440.
The previous prime is 79230007. The next prime is 79230023. The reversal of 79230009 is 90003297.
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 79230009 - 21 = 79230007 is a prime.
It is a super-2 number, since 2×792300092 = 12554788652280162, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (79230007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574062 + ... + 574199.
It is an arithmetic number, because the mean of its divisors is an integer number (13779144).
Almost surely, 279230009 is an apocalyptic number.
It is an amenable number.
79230009 is a deficient number, since it is larger than the sum of its proper divisors (31003143).
79230009 is a wasteful number, since it uses less digits than its factorization.
79230009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1148287.
The product of its (nonzero) digits is 3402, while the sum is 30.
The square root of 79230009 is about 8901.1240301436. The cubic root of 79230009 is about 429.5000661805.
The spelling of 79230009 in words is "seventy-nine million, two hundred thirty thousand, nine".
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