Base | Representation |
---|---|
bin | 1000101000110… |
… | …01011010101100 |
3 | 12001100010202002 |
4 | 10110121122230 |
5 | 122022041402 |
6 | 11104551432 |
7 | 1536602360 |
oct | 424313254 |
9 | 161303662 |
10 | 72455852 |
11 | 37999177 |
12 | 20322578 |
13 | 1201b5b1 |
14 | 98a12a0 |
15 | 6563602 |
hex | 45196ac |
72455852 has 12 divisors (see below), whose sum is σ = 144911760. Its totient is φ = 31052496.
The previous prime is 72455849. The next prime is 72455857. The reversal of 72455852 is 25855427.
72455852 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (72455857) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293827 + ... + 1293882.
It is an arithmetic number, because the mean of its divisors is an integer number (12075980).
Almost surely, 272455852 is an apocalyptic number.
It is an amenable number.
72455852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72455852 is a wasteful number, since it uses less digits than its factorization.
72455852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2587720 (or 2587718 counting only the distinct ones).
The product of its digits is 112000, while the sum is 38.
The square root of 72455852 is about 8512.1003283561. The cubic root of 72455852 is about 416.8928907699.
The spelling of 72455852 in words is "seventy-two million, four hundred fifty-five thousand, eight hundred fifty-two".
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