Base | Representation |
---|---|
bin | 1001011101001… |
… | …11111100000000 |
3 | 12112021102202212 |
4 | 10232213330000 |
5 | 130302043242 |
6 | 11512201252 |
7 | 1652205632 |
oct | 456477400 |
9 | 175242685 |
10 | 79331072 |
11 | 40864677 |
12 | 22699228 |
13 | 13587a82 |
14 | a770a52 |
15 | 6e70782 |
hex | 4ba7f00 |
79331072 has 36 divisors (see below), whose sum is σ = 159861240. Its totient is φ = 39287808.
The previous prime is 79331051. The next prime is 79331081. The reversal of 79331072 is 27013397.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 26483 + ... + 29325.
It is an arithmetic number, because the mean of its divisors is an integer number (4440590).
Almost surely, 279331072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 79331072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79930620).
79331072 is an abundant number, since it is smaller than the sum of its proper divisors (80530168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79331072 is a wasteful number, since it uses less digits than its factorization.
79331072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2968 (or 2954 counting only the distinct ones).
The product of its (nonzero) digits is 7938, while the sum is 32.
The square root of 79331072 is about 8906.7992006107. The cubic root of 79331072 is about 429.6826069578.
The spelling of 79331072 in words is "seventy-nine million, three hundred thirty-one thousand, seventy-two".
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