Base | Representation |
---|---|
bin | 1000100101111… |
… | …10011001010110 |
3 | 12000122012022212 |
4 | 10102332121112 |
5 | 121423124110 |
6 | 11052553422 |
7 | 1533460415 |
oct | 422763126 |
9 | 160565285 |
10 | 72083030 |
11 | 37764058 |
12 | 20182872 |
13 | 11c1a9a6 |
14 | 980547c |
15 | 64dce05 |
hex | 44be656 |
72083030 has 16 divisors (see below), whose sum is σ = 133256880. Its totient is φ = 28053792.
The previous prime is 72082999. The next prime is 72083057. The reversal of 72083030 is 3038027.
It is a junction number, because it is equal to n+sod(n) for n = 72082987 and 72083005.
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, 97040 + ... + 97779.
It is an arithmetic number, because the mean of its divisors is an integer number (8328555).
Almost surely, 272083030 is an apocalyptic number.
72083030 is a deficient number, since it is larger than the sum of its proper divisors (61173850).
72083030 is a wasteful number, since it uses less digits than its factorization.
72083030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194863.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 72083030 is about 8490.1725541946. The cubic root of 72083030 is about 416.1766192522.
The spelling of 72083030 in words is "seventy-two million, eighty-three thousand, thirty".
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