Base | Representation |
---|---|
bin | 1010001110001… |
… | …0000011000101 |
3 | 2222122222010021 |
4 | 2203202003011 |
5 | 41433301213 |
6 | 4130455141 |
7 | 1030244212 |
oct | 243420305 |
9 | 88588107 |
10 | 42868933 |
11 | 22220078 |
12 | 124344b1 |
13 | 8b5c643 |
14 | 599cb09 |
15 | 3b6bd8d |
hex | 28e20c5 |
42868933 has 4 divisors (see below), whose sum is σ = 42882048. Its totient is φ = 42855820.
The previous prime is 42868907. The next prime is 42868961. The reversal of 42868933 is 33986824.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 42868933 - 25 = 42868901 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 42868933.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42868963) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748 + ... + 9658.
It is an arithmetic number, because the mean of its divisors is an integer number (10720512).
Almost surely, 242868933 is an apocalyptic number.
It is an amenable number.
42868933 is a deficient number, since it is larger than the sum of its proper divisors (13115).
42868933 is an equidigital number, since it uses as much as digits as its factorization.
42868933 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13114.
The product of its digits is 248832, while the sum is 43.
The square root of 42868933 is about 6547.4371321915. The cubic root of 42868933 is about 349.9834903777.
The spelling of 42868933 in words is "forty-two million, eight hundred sixty-eight thousand, nine hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •