Base | Representation |
---|---|
bin | 1000101001110… |
… | …10001011100100 |
3 | 12001120221211110 |
4 | 10110322023210 |
5 | 122040340202 |
6 | 11111505020 |
7 | 1541001543 |
oct | 424721344 |
9 | 161527743 |
10 | 72590052 |
11 | 37a7aa87 |
12 | 20388170 |
13 | 120676c2 |
14 | 98d815a |
15 | 658d26c |
hex | 453a2e4 |
72590052 has 12 divisors (see below), whose sum is σ = 169376816. Its totient is φ = 24196680.
The previous prime is 72590033. The next prime is 72590053. The reversal of 72590052 is 25009527.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (72590053) 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, 3024574 + ... + 3024597.
Almost surely, 272590052 is an apocalyptic number.
It is an amenable number.
72590052 is an abundant number, since it is smaller than the sum of its proper divisors (96786764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72590052 is a wasteful number, since it uses less digits than its factorization.
72590052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6049178 (or 6049176 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 30.
The square root of 72590052 is about 8519.9795774403. The cubic root of 72590052 is about 417.1501164639.
Adding to 72590052 its reverse (25009527), we get a palindrome (97599579).
The spelling of 72590052 in words is "seventy-two million, five hundred ninety thousand, fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •