Base | Representation |
---|---|
bin | 1001011100110… |
… | …10001111001000 |
3 | 12112011120210100 |
4 | 10232122033020 |
5 | 130243244302 |
6 | 11511045400 |
7 | 1651553211 |
oct | 456321710 |
9 | 175146710 |
10 | 79274952 |
11 | 40826499 |
12 | 22670860 |
13 | 13568373 |
14 | a758408 |
15 | 6e5dd1c |
hex | 4b9a3c8 |
79274952 has 48 divisors (see below), whose sum is σ = 216101340. Its totient is φ = 26252928.
The previous prime is 79274941. The next prime is 79274957. The reversal of 79274952 is 25947297.
It can be written as a sum of positive squares in 2 ways, for example, as 78747876 + 527076 = 8874^2 + 726^2 .
It is a junction number, because it is equal to n+sod(n) for n = 79274898 and 79274907.
It is not an unprimeable number, because it can be changed into a prime (79274957) 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 11 ways as a sum of consecutive naturals, for example, 7798 + ... + 14810.
Almost surely, 279274952 is an apocalyptic number.
79274952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 79274952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108050670).
79274952 is an abundant number, since it is smaller than the sum of its proper divisors (136826388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79274952 is a wasteful number, since it uses less digits than its factorization.
79274952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7182 (or 7175 counting only the distinct ones).
The product of its digits is 317520, while the sum is 45.
The square root of 79274952 is about 8903.6482410302. The cubic root of 79274952 is about 429.5812617317.
The spelling of 79274952 in words is "seventy-nine million, two hundred seventy-four thousand, nine hundred fifty-two".
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