Base | Representation |
---|---|
bin | 101011010000110… |
… | …100110110101100 |
3 | 1212120210001001202 |
4 | 223100310312230 |
5 | 2441303043314 |
6 | 200005025032 |
7 | 23662314416 |
oct | 5320646654 |
9 | 1776701052 |
10 | 725831084 |
11 | 342792700 |
12 | 1830b5178 |
13 | b74b4964 |
14 | 6c57d9b6 |
15 | 43ac60de |
hex | 2b434dac |
725831084 has 36 divisors (see below), whose sum is σ = 1469676600. Its totient is φ = 312554880.
The previous prime is 725831081. The next prime is 725831087. The reversal of 725831084 is 480138527.
725831084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (725831081) and next prime (725831087).
It is a Harshad number since it is a multiple of its sum of digits (38).
It is not an unprimeable number, because it can be changed into a prime (725831081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30269 + ... + 48660.
It is an arithmetic number, because the mean of its divisors is an integer number (40824350).
Almost surely, 2725831084 is an apocalyptic number.
It is an amenable number.
725831084 is an abundant number, since it is smaller than the sum of its proper divisors (743845516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725831084 is a wasteful number, since it uses less digits than its factorization.
725831084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78974 (or 78961 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 725831084 is about 26941.2524578944. The cubic root of 725831084 is about 898.6940251802.
The spelling of 725831084 in words is "seven hundred twenty-five million, eight hundred thirty-one thousand, eighty-four".
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