Base | Representation |
---|---|
bin | 1000100111011… |
… | …00010101011011 |
3 | 12000222202102221 |
4 | 10103230111123 |
5 | 122000134240 |
6 | 11101004511 |
7 | 1535203123 |
oct | 423542533 |
9 | 160882387 |
10 | 72271195 |
11 | 37882467 |
12 | 20253737 |
13 | 11c85529 |
14 | 9853c83 |
15 | 6528a4a |
hex | 44ec55b |
72271195 has 8 divisors (see below), whose sum is σ = 88570944. Its totient is φ = 56586624.
The previous prime is 72271189. The next prime is 72271201. The reversal of 72271195 is 59117227.
It is an interprime number because it is at equal distance from previous prime (72271189) and next prime (72271201).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72271195 - 23 = 72271187 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 72271195.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153534 + ... + 154003.
It is an arithmetic number, because the mean of its divisors is an integer number (11071368).
Almost surely, 272271195 is an apocalyptic number.
72271195 is a deficient number, since it is larger than the sum of its proper divisors (16299749).
72271195 is a wasteful number, since it uses less digits than its factorization.
72271195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307589.
The product of its digits is 8820, while the sum is 34.
The square root of 72271195 is about 8501.2466732827. The cubic root of 72271195 is about 416.5384327164.
It can be divided in two parts, 722 and 71195, that added together give a palindrome (71917).
The spelling of 72271195 in words is "seventy-two million, two hundred seventy-one thousand, one hundred ninety-five".
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