Base | Representation |
---|---|
bin | 1000100101100… |
… | …00001110110010 |
3 | 12000112020201222 |
4 | 10102300032302 |
5 | 121414300020 |
6 | 11051425042 |
7 | 1533126311 |
oct | 422601662 |
9 | 160466658 |
10 | 72025010 |
11 | 37724502 |
12 | 20155182 |
13 | 11bca465 |
14 | 97cc278 |
15 | 64cab25 |
hex | 44b03b2 |
72025010 has 32 divisors (see below), whose sum is σ = 137514240. Its totient is φ = 27084672.
The previous prime is 72025001. The next prime is 72025013. The reversal of 72025010 is 1052027.
It is a self number, because there is not a number n which added to its sum of digits gives 72025010.
It is not an unprimeable number, because it can be changed into a prime (72025013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24647 + ... + 27413.
It is an arithmetic number, because the mean of its divisors is an integer number (4297320).
Almost surely, 272025010 is an apocalyptic number.
72025010 is a deficient number, since it is larger than the sum of its proper divisors (65489230).
72025010 is a wasteful number, since it uses less digits than its factorization.
72025010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2930.
The product of its (nonzero) digits is 140, while the sum is 17.
The square root of 72025010 is about 8486.7549746649. The cubic root of 72025010 is about 416.0649283826.
Adding to 72025010 its reverse (1052027), we get a palindrome (73077037).
The spelling of 72025010 in words is "seventy-two million, twenty-five thousand, ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •