Base | Representation |
---|---|
bin | 1000100101100… |
… | …00010011111100 |
3 | 12000112021012012 |
4 | 10102300103330 |
5 | 121414302330 |
6 | 11051430352 |
7 | 1533130262 |
oct | 422602374 |
9 | 160467165 |
10 | 72025340 |
11 | 37724782 |
12 | 201553b8 |
13 | 11bca65a |
14 | 97cc432 |
15 | 64cac95 |
hex | 44b04fc |
72025340 has 12 divisors (see below), whose sum is σ = 151253256. Its totient is φ = 28810128.
The previous prime is 72025337. The next prime is 72025361. The reversal of 72025340 is 4352027.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800614 + ... + 1800653.
It is an arithmetic number, because the mean of its divisors is an integer number (12604438).
Almost surely, 272025340 is an apocalyptic number.
It is an amenable number.
72025340 is an abundant number, since it is smaller than the sum of its proper divisors (79227916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72025340 is a wasteful number, since it uses less digits than its factorization.
72025340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3601276 (or 3601274 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 23.
The square root of 72025340 is about 8486.7744167027. The cubic root of 72025340 is about 416.0655638157.
Adding to 72025340 its reverse (4352027), we get a palindrome (76377367).
The spelling of 72025340 in words is "seventy-two million, twenty-five thousand, three hundred forty".
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