Base | Representation |
---|---|
bin | 1001011010111… |
… | …10111101010101 |
3 | 12111201020201122 |
4 | 10231132331111 |
5 | 130213012044 |
6 | 11501533325 |
7 | 1646522300 |
oct | 455367525 |
9 | 174636648 |
10 | 79032149 |
11 | 40680029 |
12 | 22574245 |
13 | 134b19b1 |
14 | a6d3b37 |
15 | 6e11dee |
hex | 4b5ef55 |
79032149 has 24 divisors (see below), whose sum is σ = 94612248. Its totient is φ = 65802240.
The previous prime is 79032143. The next prime is 79032181. The reversal of 79032149 is 94123097.
It can be written as a sum of positive squares in 4 ways, for example, as 49 + 79032100 = 7^2 + 8890^2 .
It is a de Polignac number, because none of the positive numbers 2k-79032149 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79032143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409397 + ... + 409589.
It is an arithmetic number, because the mean of its divisors is an integer number (3942177).
Almost surely, 279032149 is an apocalyptic number.
It is an amenable number.
79032149 is a deficient number, since it is larger than the sum of its proper divisors (15580099).
79032149 is a wasteful number, since it uses less digits than its factorization.
79032149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405 (or 398 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 35.
The square root of 79032149 is about 8890.0027559051. The cubic root of 79032149 is about 429.1422399688.
It can be divided in two parts, 790321 and 49, that multiplied together give a square (38725729 = 62232).
The spelling of 79032149 in words is "seventy-nine million, thirty-two thousand, one hundred forty-nine".
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