Base | Representation |
---|---|
bin | 101011000111111… |
… | …000001000110110 |
3 | 1212102100212011120 |
4 | 223013320020312 |
5 | 2440203011423 |
6 | 155442444410 |
7 | 23633344260 |
oct | 5307701066 |
9 | 1772325146 |
10 | 723485238 |
11 | 341430193 |
12 | 182363706 |
13 | b6b72c98 |
14 | 6c12cb30 |
15 | 437b0ee3 |
hex | 2b1f8236 |
723485238 has 16 divisors (see below), whose sum is σ = 1653680640. Its totient is φ = 206710056.
The previous prime is 723485179. The next prime is 723485291. The reversal of 723485238 is 832584327.
723485238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 17225839 = 723485238 / (7 + 2 + 3 + 4 + 8 + 5 + 2 + 3 + 8).
It is a self number, because there is not a number n which added to its sum of digits gives 723485238.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8612878 + ... + 8612961.
It is an arithmetic number, because the mean of its divisors is an integer number (103355040).
Almost surely, 2723485238 is an apocalyptic number.
723485238 is an abundant number, since it is smaller than the sum of its proper divisors (930195402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
723485238 is a wasteful number, since it uses less digits than its factorization.
723485238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17225851.
The product of its digits is 322560, while the sum is 42.
The square root of 723485238 is about 26897.6809037508. The cubic root of 723485238 is about 897.7248037775.
The spelling of 723485238 in words is "seven hundred twenty-three million, four hundred eighty-five thousand, two hundred thirty-eight".
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