Base | Representation |
---|---|
bin | 1000101001101… |
… | …00110111000111 |
3 | 12001112211221110 |
4 | 10110310313013 |
5 | 122034141023 |
6 | 11111220103 |
7 | 1540551165 |
oct | 424646707 |
9 | 161484843 |
10 | 72568263 |
11 | 37a65679 |
12 | 20377633 |
13 | 1205a801 |
14 | 98d0235 |
15 | 6586a93 |
hex | 4534dc7 |
72568263 has 4 divisors (see below), whose sum is σ = 96757688. Its totient is φ = 48378840.
The previous prime is 72568259. The next prime is 72568333. The reversal of 72568263 is 36286527.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36286527 = 3 ⋅12095509.
It is not a de Polignac number, because 72568263 - 22 = 72568259 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72568213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12094708 + ... + 12094713.
It is an arithmetic number, because the mean of its divisors is an integer number (24189422).
Almost surely, 272568263 is an apocalyptic number.
72568263 is a deficient number, since it is larger than the sum of its proper divisors (24189425).
72568263 is a wasteful number, since it uses less digits than its factorization.
72568263 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24189424.
The product of its digits is 120960, while the sum is 39.
The square root of 72568263 is about 8518.7007812225. The cubic root of 72568263 is about 417.1083743188.
The spelling of 72568263 in words is "seventy-two million, five hundred sixty-eight thousand, two hundred sixty-three".
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