Base | Representation |
---|---|
bin | 1000101011111… |
… | …00001100000111 |
3 | 12002002200201012 |
4 | 10111330030013 |
5 | 122123013143 |
6 | 11121352435 |
7 | 1543206026 |
oct | 425741407 |
9 | 162080635 |
10 | 72860423 |
11 | 38145129 |
12 | 2049871b |
13 | 1213079c |
14 | 99688bd |
15 | 65e3418 |
hex | 457c307 |
72860423 has 8 divisors (see below), whose sum is σ = 74096880. Its totient is φ = 71628480.
The previous prime is 72860407. The next prime is 72860503. The reversal of 72860423 is 32406827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72860423 - 24 = 72860407 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 72860423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72860023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50273 + ... + 51701.
It is an arithmetic number, because the mean of its divisors is an integer number (9262110).
Almost surely, 272860423 is an apocalyptic number.
72860423 is a deficient number, since it is larger than the sum of its proper divisors (1236457).
72860423 is a wasteful number, since it uses less digits than its factorization.
72860423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2257.
The product of its (nonzero) digits is 16128, while the sum is 32.
The square root of 72860423 is about 8535.8317110871. The cubic root of 72860423 is about 417.6673845665.
The spelling of 72860423 in words is "seventy-two million, eight hundred sixty thousand, four hundred twenty-three".
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