Base | Representation |
---|---|
bin | 1000101001110… |
… | …01110101010110 |
3 | 12001120212212210 |
4 | 10110321311112 |
5 | 122040314010 |
6 | 11111454250 |
7 | 1540664442 |
oct | 424716526 |
9 | 161525783 |
10 | 72588630 |
11 | 37a79a04 |
12 | 20387386 |
13 | 12066b6a |
14 | 98d7822 |
15 | 658cb20 |
hex | 4539d56 |
72588630 has 16 divisors (see below), whose sum is σ = 174212784. Its totient is φ = 19356960.
The previous prime is 72588559. The next prime is 72588661. The reversal of 72588630 is 3688527.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209781 + ... + 1209840.
It is an arithmetic number, because the mean of its divisors is an integer number (10888299).
Almost surely, 272588630 is an apocalyptic number.
72588630 is an abundant number, since it is smaller than the sum of its proper divisors (101624154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72588630 is a wasteful number, since it uses less digits than its factorization.
72588630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2419631.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 72588630 is about 8519.8961261274. The cubic root of 72588630 is about 417.1473925308.
The spelling of 72588630 in words is "seventy-two million, five hundred eighty-eight thousand, six hundred thirty".
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