Base | Representation |
---|---|
bin | 1000100111000… |
… | …10010101111111 |
3 | 12000220200022020 |
4 | 10103202111333 |
5 | 121442332041 |
6 | 11100051223 |
7 | 1534642611 |
oct | 423422577 |
9 | 160820266 |
10 | 72230271 |
11 | 37854743 |
12 | 20233b13 |
13 | 11c6ca09 |
14 | 9842db1 |
15 | 651b866 |
hex | 44e257f |
72230271 has 8 divisors (see below), whose sum is σ = 99628080. Its totient is φ = 46492992.
The previous prime is 72230269. The next prime is 72230293. The reversal of 72230271 is 17203227.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72230271 - 21 = 72230269 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72230201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415030 + ... + 415203.
It is an arithmetic number, because the mean of its divisors is an integer number (12453510).
Almost surely, 272230271 is an apocalyptic number.
72230271 is a deficient number, since it is larger than the sum of its proper divisors (27397809).
72230271 is a wasteful number, since it uses less digits than its factorization.
72230271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 830265.
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 72230271 is about 8498.8393913522. The cubic root of 72230271 is about 416.4597954051.
Adding to 72230271 its reverse (17203227), we get a palindrome (89433498).
The spelling of 72230271 in words is "seventy-two million, two hundred thirty thousand, two hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •