Base | Representation |
---|---|
bin | 1000101010011… |
… | …10111110101011 |
3 | 12001202021200200 |
4 | 10111032332223 |
5 | 122101101433 |
6 | 11113403243 |
7 | 1541505114 |
oct | 425167653 |
9 | 161667620 |
10 | 72675243 |
11 | 38028a93 |
12 | 20409523 |
13 | 12097404 |
14 | 991b20b |
15 | 65a8613 |
hex | 454efab |
72675243 has 24 divisors (see below), whose sum is σ = 107771040. Its totient is φ = 47174400.
The previous prime is 72675241. The next prime is 72675259. The reversal of 72675243 is 34257627.
It is a happy number.
72675243 is a `hidden beast` number, since 72 + 67 + 524 + 3 = 666.
It is not a de Polignac number, because 72675243 - 21 = 72675241 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72675198 and 72675207.
It is not an unprimeable number, because it can be changed into a prime (72675241) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71523 + ... + 72531.
It is an arithmetic number, because the mean of its divisors is an integer number (4490460).
Almost surely, 272675243 is an apocalyptic number.
72675243 is a deficient number, since it is larger than the sum of its proper divisors (35095797).
72675243 is a wasteful number, since it uses less digits than its factorization.
72675243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1219 (or 1216 counting only the distinct ones).
The product of its digits is 70560, while the sum is 36.
The square root of 72675243 is about 8524.9775952785. The cubic root of 72675243 is about 417.3132404803.
The spelling of 72675243 in words is "seventy-two million, six hundred seventy-five thousand, two hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •