Base | Representation |
---|---|
bin | 1000101000111… |
… | …11111010001101 |
3 | 12001101111020000 |
4 | 10110133322031 |
5 | 122023414240 |
6 | 11105314513 |
7 | 1540043040 |
oct | 424377215 |
9 | 161344200 |
10 | 72482445 |
11 | 37a07152 |
12 | 20335a39 |
13 | 1202a729 |
14 | 98aac57 |
15 | 656b430 |
hex | 451fe8d |
72482445 has 80 divisors (see below), whose sum is σ = 152727168. Its totient is φ = 32192640.
The previous prime is 72482419. The next prime is 72482461. The reversal of 72482445 is 54428427.
It is not a de Polignac number, because 72482445 - 213 = 72474253 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 104550 + ... + 105240.
Almost surely, 272482445 is an apocalyptic number.
It is an amenable number.
72482445 is an abundant number, since it is smaller than the sum of its proper divisors (80244723).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72482445 is a wasteful number, since it uses less digits than its factorization.
72482445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 752 (or 743 counting only the distinct ones).
The product of its digits is 71680, while the sum is 36.
The square root of 72482445 is about 8513.6622554574. The cubic root of 72482445 is about 416.9438876933.
It can be divided in two parts, 72482 and 445, that added together give a palindrome (72927).
The spelling of 72482445 in words is "seventy-two million, four hundred eighty-two thousand, four hundred forty-five".
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