Base | Representation |
---|---|
bin | 1010110110000… |
… | …01000010001111 |
3 | 20100011122220212 |
4 | 11123001002033 |
5 | 141241440312 |
6 | 13005433035 |
7 | 2153134301 |
oct | 533010217 |
9 | 210148825 |
10 | 90968207 |
11 | 47392840 |
12 | 2656b77b |
13 | 15b00855 |
14 | c11d971 |
15 | 7ebd822 |
hex | 56c108f |
90968207 has 16 divisors (see below), whose sum is σ = 105587712. Its totient is φ = 77454720.
The previous prime is 90968203. The next prime is 90968221. The reversal of 90968207 is 70286909.
It is not a de Polignac number, because 90968207 - 22 = 90968203 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90968201) 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, 41378 + ... + 43520.
It is an arithmetic number, because the mean of its divisors is an integer number (6599232).
Almost surely, 290968207 is an apocalyptic number.
90968207 is a deficient number, since it is larger than the sum of its proper divisors (14619505).
90968207 is a wasteful number, since it uses less digits than its factorization.
90968207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2398.
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 90968207 is about 9537.7254626038. The cubic root of 90968207 is about 449.7417563556.
The spelling of 90968207 in words is "ninety million, nine hundred sixty-eight thousand, two hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •