Base | Representation |
---|---|
bin | 1000100111001… |
… | …10110010100100 |
3 | 12000221121021210 |
4 | 10103212302210 |
5 | 121443422414 |
6 | 11100311420 |
7 | 1535046660 |
oct | 423466244 |
9 | 160847253 |
10 | 72248484 |
11 | 378673a0 |
12 | 20242570 |
13 | 11c780a9 |
14 | 98498a0 |
15 | 6521e59 |
hex | 44e6ca4 |
72248484 has 48 divisors (see below), whose sum is σ = 210180096. Its totient is φ = 18765600.
The previous prime is 72248443. The next prime is 72248489. The reversal of 72248484 is 48484227.
72248484 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
72248484 is a modest number, since divided by 8484 gives 7224 as remainder.
72248484 is strictly pandigital in base 9.
It is not an unprimeable number, because it can be changed into a prime (72248489) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38172 + ... + 40019.
It is an arithmetic number, because the mean of its divisors is an integer number (4378752).
Almost surely, 272248484 is an apocalyptic number.
It is an amenable number.
72248484 is an abundant number, since it is smaller than the sum of its proper divisors (137931612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72248484 is a wasteful number, since it uses less digits than its factorization.
72248484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78216 (or 78214 counting only the distinct ones).
The product of its digits is 114688, while the sum is 39.
The square root of 72248484 is about 8499.9108230616. The cubic root of 72248484 is about 416.4947961728.
The spelling of 72248484 in words is "seventy-two million, two hundred forty-eight thousand, four hundred eighty-four".
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