Base | Representation |
---|---|
bin | 1000101001100… |
… | …10111001100011 |
3 | 12001112102220211 |
4 | 10110302321203 |
5 | 122033411402 |
6 | 11111114551 |
7 | 1540515565 |
oct | 424627143 |
9 | 161472824 |
10 | 72560227 |
11 | 37a5a633 |
12 | 20372a57 |
13 | 12056c5c |
14 | 98cb335 |
15 | 65844d7 |
hex | 4532e63 |
72560227 has 4 divisors (see below), whose sum is σ = 72577720. Its totient is φ = 72542736.
The previous prime is 72560207. The next prime is 72560237. The reversal of 72560227 is 72206527.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 72560227 - 27 = 72560099 is a prime.
It is a super-3 number, since 3×725602273 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72560207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399 + ... + 12127.
It is an arithmetic number, because the mean of its divisors is an integer number (18144430).
Almost surely, 272560227 is an apocalyptic number.
72560227 is a deficient number, since it is larger than the sum of its proper divisors (17493).
72560227 is a wasteful number, since it uses less digits than its factorization.
72560227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17492.
The product of its (nonzero) digits is 11760, while the sum is 31.
The square root of 72560227 is about 8518.2290999949. The cubic root of 72560227 is about 417.0929772912.
The spelling of 72560227 in words is "seventy-two million, five hundred sixty thousand, two hundred twenty-seven".
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