Base | Representation |
---|---|
bin | 101011001110010… |
… | …100111110100110 |
3 | 1212112112202202220 |
4 | 223032110332212 |
5 | 2441121114410 |
6 | 155543013210 |
7 | 23653616262 |
oct | 5316247646 |
9 | 1775482686 |
10 | 725176230 |
11 | 3423856a9 |
12 | 182a3a206 |
13 | b731587c |
14 | 6c44d0a2 |
15 | 439e7070 |
hex | 2b394fa6 |
725176230 has 64 divisors (see below), whose sum is σ = 1839974400. Its totient is φ = 182407680.
The previous prime is 725176213. The next prime is 725176339. The reversal of 725176230 is 32671527.
It is a junction number, because it is equal to n+sod(n) for n = 725176191 and 725176200.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134731 + ... + 140009.
It is an arithmetic number, because the mean of its divisors is an integer number (28749600).
Almost surely, 2725176230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 725176230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919987200).
725176230 is an abundant number, since it is smaller than the sum of its proper divisors (1114798170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725176230 is a wasteful number, since it uses less digits than its factorization.
725176230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5549.
The product of its (nonzero) digits is 17640, while the sum is 33.
The square root of 725176230 is about 26929.0963457744. The cubic root of 725176230 is about 898.4236728135.
The spelling of 725176230 in words is "seven hundred twenty-five million, one hundred seventy-six thousand, two hundred thirty".
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