Base | Representation |
---|---|
bin | 1000101011101… |
… | …00000000101101 |
3 | 12002000222202112 |
4 | 10111310000231 |
5 | 122120430200 |
6 | 11120533405 |
7 | 1543006253 |
oct | 425640055 |
9 | 162028675 |
10 | 72826925 |
11 | 38121a46 |
12 | 20481265 |
13 | 1211b472 |
14 | 995a5d3 |
15 | 65d8535 |
hex | 457402d |
72826925 has 12 divisors (see below), whose sum is σ = 90413856. Its totient is φ = 58191600.
The previous prime is 72826913. The next prime is 72826931. The reversal of 72826925 is 52962827.
It is not a de Polignac number, because 72826925 - 28 = 72826669 is a prime.
It is a super-2 number, since 2×728269252 = 10607522009911250, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33110 + ... + 35240.
It is an arithmetic number, because the mean of its divisors is an integer number (7534488).
Almost surely, 272826925 is an apocalyptic number.
It is an amenable number.
72826925 is a deficient number, since it is larger than the sum of its proper divisors (17586931).
72826925 is a wasteful number, since it uses less digits than its factorization.
72826925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3508 (or 3503 counting only the distinct ones).
The product of its digits is 120960, while the sum is 41.
The square root of 72826925 is about 8533.8692865546. The cubic root of 72826925 is about 417.6033664243.
The spelling of 72826925 in words is "seventy-two million, eight hundred twenty-six thousand, nine hundred twenty-five".
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