Base | Representation |
---|---|
bin | 1001011011100… |
… | …01010001001101 |
3 | 12111212001121102 |
4 | 10231301101031 |
5 | 130222412044 |
6 | 11503312445 |
7 | 1650254042 |
oct | 455612115 |
9 | 174761542 |
10 | 79107149 |
11 | 40721410 |
12 | 225ab725 |
13 | 13509b84 |
14 | a7131c9 |
15 | 6e2924e |
hex | 4b7144d |
79107149 has 8 divisors (see below), whose sum is σ = 86430240. Its totient is φ = 71806000.
The previous prime is 79107121. The next prime is 79107151. The reversal of 79107149 is 94170197.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-79107149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79107169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582 + ... + 12840.
It is an arithmetic number, because the mean of its divisors is an integer number (10803780).
Almost surely, 279107149 is an apocalyptic number.
It is an amenable number.
79107149 is a deficient number, since it is larger than the sum of its proper divisors (7323091).
79107149 is a wasteful number, since it uses less digits than its factorization.
79107149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10971.
The product of its (nonzero) digits is 15876, while the sum is 38.
The square root of 79107149 is about 8894.2199770413. The cubic root of 79107149 is about 429.2779463135.
The spelling of 79107149 in words is "seventy-nine million, one hundred seven thousand, one hundred forty-nine".
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