Base | Representation |
---|---|
bin | 1011001010110… |
… | …01100100010011 |
3 | 20112021221200212 |
4 | 11211121210103 |
5 | 142441041011 |
6 | 13144034335 |
7 | 2215232033 |
oct | 545314423 |
9 | 215257625 |
10 | 93690131 |
11 | 48981867 |
12 | 274629ab |
13 | 16544762 |
14 | c62b8c3 |
15 | 835a08b |
hex | 5959913 |
93690131 has 4 divisors (see below), whose sum is σ = 93785664. Its totient is φ = 93594600.
The previous prime is 93690101. The next prime is 93690133. The reversal of 93690131 is 13109639.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13109639 = 19 ⋅689981.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-93690131 is a prime.
It is a super-2 number, since 2×936901312 = 17555681293594322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (93690133) 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, 46280 + ... + 48261.
It is an arithmetic number, because the mean of its divisors is an integer number (23446416).
Almost surely, 293690131 is an apocalyptic number.
93690131 is a deficient number, since it is larger than the sum of its proper divisors (95533).
93690131 is an equidigital number, since it uses as much as digits as its factorization.
93690131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95532.
The product of its (nonzero) digits is 4374, while the sum is 32.
The square root of 93690131 is about 9679.3662499153. The cubic root of 93690131 is about 454.1834261114.
The spelling of 93690131 in words is "ninety-three million, six hundred ninety thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •