Base | Representation |
---|---|
bin | 1000101001100… |
… | …01001001100100 |
3 | 12001112002002101 |
4 | 10110301021210 |
5 | 122033144220 |
6 | 11111021444 |
7 | 1540455646 |
oct | 424611144 |
9 | 161462071 |
10 | 72553060 |
11 | 37a55208 |
12 | 2036a884 |
13 | 12053908 |
14 | 98c8896 |
15 | 658230a |
hex | 4531264 |
72553060 has 12 divisors (see below), whose sum is σ = 152361468. Its totient is φ = 29021216.
The previous prime is 72553057. The next prime is 72553079. The reversal of 72553060 is 6035527.
It can be written as a sum of positive squares in 2 ways, for example, as 36288576 + 36264484 = 6024^2 + 6022^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813807 + ... + 1813846.
It is an arithmetic number, because the mean of its divisors is an integer number (12696789).
Almost surely, 272553060 is an apocalyptic number.
It is an amenable number.
72553060 is an abundant number, since it is smaller than the sum of its proper divisors (79808408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72553060 is a wasteful number, since it uses less digits than its factorization.
72553060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3627662 (or 3627660 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 28.
The square root of 72553060 is about 8517.8084035742. The cubic root of 72553060 is about 417.0792443142.
Adding to 72553060 its reverse (6035527), we get a palindrome (78588587).
The spelling of 72553060 in words is "seventy-two million, five hundred fifty-three thousand, sixty".
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