Base | Representation |
---|---|
bin | 1000101001111… |
… | …11000011101100 |
3 | 12001121222020022 |
4 | 10110333003230 |
5 | 122042010103 |
6 | 11112141312 |
7 | 1541114021 |
oct | 424770354 |
9 | 161558208 |
10 | 72610028 |
11 | 37a93a97 |
12 | 20397838 |
13 | 1207381a |
14 | 9901548 |
15 | 6594138 |
hex | 453f0ec |
72610028 has 6 divisors (see below), whose sum is σ = 127067556. Its totient is φ = 36305012.
The previous prime is 72610019. The next prime is 72610037. The reversal of 72610028 is 82001627.
It is an interprime number because it is at equal distance from previous prime (72610019) and next prime (72610037).
It is a junction number, because it is equal to n+sod(n) for n = 72609979 and 72610006.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9076250 + ... + 9076257.
It is an arithmetic number, because the mean of its divisors is an integer number (21177926).
Almost surely, 272610028 is an apocalyptic number.
It is an amenable number.
72610028 is a deficient number, since it is larger than the sum of its proper divisors (54457528).
72610028 is a wasteful number, since it uses less digits than its factorization.
72610028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18152511 (or 18152509 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 72610028 is about 8521.1518000796. The cubic root of 72610028 is about 417.1883780266.
The spelling of 72610028 in words is "seventy-two million, six hundred ten thousand, twenty-eight".
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