Base | Representation |
---|---|
bin | 11001010101000… |
… | …01111110010001 |
3 | 112210210212222211 |
4 | 30222201332101 |
5 | 413343211133 |
6 | 33030032121 |
7 | 5160004645 |
oct | 1452417621 |
9 | 483725884 |
10 | 212475793 |
11 | a9a34232 |
12 | 5b1a8641 |
13 | 35034a2a |
14 | 2030cc25 |
15 | 139c0bcd |
hex | caa1f91 |
212475793 has 16 divisors (see below), whose sum is σ = 222868480. Its totient is φ = 202378176.
The previous prime is 212475787. The next prime is 212475797. The reversal of 212475793 is 397574212.
212475793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 212475793 - 29 = 212475281 is a prime.
It is a super-2 number, since 2×2124757932 = 90291925221957698, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (212475797) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458680 + ... + 459142.
It is an arithmetic number, because the mean of its divisors is an integer number (13929280).
Almost surely, 2212475793 is an apocalyptic number.
It is an amenable number.
212475793 is a deficient number, since it is larger than the sum of its proper divisors (10392687).
212475793 is a wasteful number, since it uses less digits than its factorization.
212475793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 736.
The product of its digits is 105840, while the sum is 40.
The square root of 212475793 is about 14576.5494202160. The cubic root of 212475793 is about 596.7189357717.
The spelling of 212475793 in words is "two hundred twelve million, four hundred seventy-five thousand, seven hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •