Base | Representation |
---|---|
bin | 1010001100100… |
… | …0011101110011 |
3 | 2222110122101022 |
4 | 2203020131303 |
5 | 41421423042 |
6 | 4124330055 |
7 | 1026326546 |
oct | 243103563 |
9 | 88418338 |
10 | 42764147 |
11 | 22159378 |
12 | 123a392b |
13 | 8b23a3a |
14 | 597285d |
15 | 3b4acd2 |
hex | 28c8773 |
42764147 has 4 divisors (see below), whose sum is σ = 42951120. Its totient is φ = 42577176.
The previous prime is 42764123. The next prime is 42764167. The reversal of 42764147 is 74146724.
42764147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 42764147 - 218 = 42502003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42764167) 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 3 ways as a sum of consecutive naturals, for example, 93143 + ... + 93600.
It is an arithmetic number, because the mean of its divisors is an integer number (10737780).
Almost surely, 242764147 is an apocalyptic number.
42764147 is a deficient number, since it is larger than the sum of its proper divisors (186973).
42764147 is a wasteful number, since it uses less digits than its factorization.
42764147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186972.
The product of its digits is 37632, while the sum is 35.
The square root of 42764147 is about 6539.4301739525. The cubic root of 42764147 is about 349.6980988462.
The spelling of 42764147 in words is "forty-two million, seven hundred sixty-four thousand, one hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •