Base | Representation |
---|---|
bin | 1001011101111… |
… | …10111001101011 |
3 | 12112110012210112 |
4 | 10232332321223 |
5 | 130313101011 |
6 | 11514204535 |
7 | 1653050102 |
oct | 456767153 |
9 | 175405715 |
10 | 79425131 |
11 | 40919305 |
12 | 2272374b |
13 | 135bb826 |
14 | a797039 |
15 | 6e8d58b |
hex | 4bbee6b |
79425131 has 8 divisors (see below), whose sum is σ = 82089984. Its totient is φ = 76766760.
The previous prime is 79425119. The next prime is 79425133. The reversal of 79425131 is 13152497.
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 79425131 - 226 = 12316267 is a prime.
It is a super-2 number, since 2×794251312 = 12616702868734322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (79425133) 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, 45236 + ... + 46958.
It is an arithmetic number, because the mean of its divisors is an integer number (10261248).
Almost surely, 279425131 is an apocalyptic number.
79425131 is a deficient number, since it is larger than the sum of its proper divisors (2664853).
79425131 is a wasteful number, since it uses less digits than its factorization.
79425131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3241.
The product of its digits is 7560, while the sum is 32.
The square root of 79425131 is about 8912.0778160876. The cubic root of 79425131 is about 429.8523578214.
The spelling of 79425131 in words is "seventy-nine million, four hundred twenty-five thousand, one hundred thirty-one".
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