Base | Representation |
---|---|
bin | 1001011100001… |
… | …01100111011010 |
3 | 12112000021221010 |
4 | 10232011213122 |
5 | 130233043430 |
6 | 11505154350 |
7 | 1651052031 |
oct | 456054732 |
9 | 175007833 |
10 | 79190490 |
11 | 40778a95 |
12 | 2262b9b6 |
13 | 13538aa2 |
14 | a735718 |
15 | 6e43cb0 |
hex | 4b859da |
79190490 has 32 divisors (see below), whose sum is σ = 190903680. Its totient is φ = 21023424.
The previous prime is 79190483. The next prime is 79190491. The reversal of 79190490 is 9409197.
It is a super-2 number, since 2×791904902 = 12542267412880200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (79190491) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107 + ... + 12633.
It is an arithmetic number, because the mean of its divisors is an integer number (5965740).
Almost surely, 279190490 is an apocalyptic number.
79190490 is an abundant number, since it is smaller than the sum of its proper divisors (111713190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79190490 is a wasteful number, since it uses less digits than its factorization.
79190490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11766.
The product of its (nonzero) digits is 20412, while the sum is 39.
The square root of 79190490 is about 8898.9038650836. The cubic root of 79190490 is about 429.4286444378.
The spelling of 79190490 in words is "seventy-nine million, one hundred ninety thousand, four hundred ninety".
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