Base | Representation |
---|---|
bin | 1010110011111… |
… | …00101000101001 |
3 | 20022122102121100 |
4 | 11121330220221 |
5 | 141204004131 |
6 | 12555432013 |
7 | 2150556423 |
oct | 531745051 |
9 | 208572540 |
10 | 90688041 |
11 | 472112a4 |
12 | 26455609 |
13 | 15a33182 |
14 | c089813 |
15 | 7e657e6 |
hex | 567ca29 |
90688041 has 12 divisors (see below), whose sum is σ = 132573168. Its totient is φ = 59729784.
The previous prime is 90688019. The next prime is 90688069. The reversal of 90688041 is 14088609.
It is a happy number.
It is not a de Polignac number, because 90688041 - 27 = 90687913 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 90687987 and 90688005.
It is not an unprimeable number, because it can be changed into a prime (90680041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59955 + ... + 61448.
It is an arithmetic number, because the mean of its divisors is an integer number (11047764).
Almost surely, 290688041 is an apocalyptic number.
It is an amenable number.
90688041 is a deficient number, since it is larger than the sum of its proper divisors (41885127).
90688041 is a wasteful number, since it uses less digits than its factorization.
90688041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121492 (or 121489 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 90688041 is about 9523.0268822471. The cubic root of 90688041 is about 449.2795731752.
The spelling of 90688041 in words is "ninety million, six hundred eighty-eight thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.154 sec. • engine limits •