Base | Representation |
---|---|
bin | 101011010000100… |
… | …100010001000100 |
3 | 1212120122120212022 |
4 | 223100210101010 |
5 | 2441243410030 |
6 | 200003342312 |
7 | 23661612344 |
oct | 5320442104 |
9 | 1776576768 |
10 | 725763140 |
11 | 342746653 |
12 | 183081998 |
13 | b748ca5b |
14 | 6c562d24 |
15 | 43ab0de5 |
hex | 2b424444 |
725763140 has 96 divisors (see below), whose sum is σ = 1689206400. Its totient is φ = 260858880.
The previous prime is 725763119. The next prime is 725763191. The reversal of 725763140 is 41367527.
It is a self number, because there is not a number n which added to its sum of digits gives 725763140.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575831 + ... + 577089.
It is an arithmetic number, because the mean of its divisors is an integer number (17595900).
Almost surely, 2725763140 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 725763140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844603200).
725763140 is an abundant number, since it is smaller than the sum of its proper divisors (963443260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725763140 is a wasteful number, since it uses less digits than its factorization.
725763140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1365 (or 1363 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 35.
The square root of 725763140 is about 26939.9914625079. The cubic root of 725763140 is about 898.6659824883.
The spelling of 725763140 in words is "seven hundred twenty-five million, seven hundred sixty-three thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •