Base | Representation |
---|---|
bin | 10111011001001… |
… | …111011111110101 |
3 | 1000100112201020110 |
4 | 113121033133311 |
5 | 1300434234140 |
6 | 102540253233 |
7 | 12504064410 |
oct | 2731173765 |
9 | 1010481213 |
10 | 392493045 |
11 | 19160891a |
12 | ab541219 |
13 | 63413709 |
14 | 3a1acb77 |
15 | 246ce380 |
hex | 1764f7f5 |
392493045 has 32 divisors (see below), whose sum is σ = 748910592. Its totient is φ = 171623232.
The previous prime is 392493043. The next prime is 392493071. The reversal of 392493045 is 540394293.
It is not a de Polignac number, because 392493045 - 21 = 392493043 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 392492994 and 392493012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (392493043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78847 + ... + 83676.
It is an arithmetic number, because the mean of its divisors is an integer number (23403456).
Almost surely, 2392493045 is an apocalyptic number.
392493045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
392493045 is a deficient number, since it is larger than the sum of its proper divisors (356417547).
392493045 is a wasteful number, since it uses less digits than its factorization.
392493045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162561.
The product of its (nonzero) digits is 116640, while the sum is 39.
The square root of 392493045 is about 19811.4372270161. The cubic root of 392493045 is about 732.1678505912.
It can be divided in two parts, 3924 and 93045, that added together give a palindrome (96969).
The spelling of 392493045 in words is "three hundred ninety-two million, four hundred ninety-three thousand, forty-five".
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