Base | Representation |
---|---|
bin | 1000101001000… |
… | …10011000000100 |
3 | 12001102000002012 |
4 | 10110202120010 |
5 | 122024230143 |
6 | 11105433352 |
7 | 1540114352 |
oct | 424423004 |
9 | 161360065 |
10 | 72492548 |
11 | 37a137a7 |
12 | 2033b858 |
13 | 120321cb |
14 | 98b07d2 |
15 | 656e418 |
hex | 4522604 |
72492548 has 12 divisors (see below), whose sum is σ = 128118732. Its totient is φ = 35887200.
The previous prime is 72492493. The next prime is 72492571. The reversal of 72492548 is 84529427.
It can be written as a sum of positive squares in 2 ways, for example, as 39337984 + 33154564 = 6272^2 + 5758^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89315 + ... + 90122.
It is an arithmetic number, because the mean of its divisors is an integer number (10676561).
Almost surely, 272492548 is an apocalyptic number.
It is an amenable number.
72492548 is a deficient number, since it is larger than the sum of its proper divisors (55626184).
72492548 is a wasteful number, since it uses less digits than its factorization.
72492548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179542 (or 179540 counting only the distinct ones).
The product of its digits is 161280, while the sum is 41.
The square root of 72492548 is about 8514.2555752103. The cubic root of 72492548 is about 416.9632587672.
The spelling of 72492548 in words is "seventy-two million, four hundred ninety-two thousand, five hundred forty-eight".
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