Base | Representation |
---|---|
bin | 1010110110000… |
… | …00100111000101 |
3 | 20100011120112111 |
4 | 11123000213011 |
5 | 141241411334 |
6 | 13005421021 |
7 | 2153126236 |
oct | 533004705 |
9 | 210146474 |
10 | 90966469 |
11 | 47391500 |
12 | 2656a771 |
13 | 15accb19 |
14 | c11d08d |
15 | 7ebd064 |
hex | 56c09c5 |
90966469 has 12 divisors (see below), whose sum is σ = 100887948. Its totient is φ = 81952640.
The previous prime is 90966467. The next prime is 90966481. The reversal of 90966469 is 96466909.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1890625 + 89075844 = 1375^2 + 9438^2 .
It is not a de Polignac number, because 90966469 - 21 = 90966467 is a prime.
It is a super-2 number, since 2×909664692 = 16549796964655922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90966467) 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, 10347 + ... + 16999.
It is an arithmetic number, because the mean of its divisors is an integer number (8407329).
Almost surely, 290966469 is an apocalyptic number.
It is an amenable number.
90966469 is a deficient number, since it is larger than the sum of its proper divisors (9921479).
90966469 is a wasteful number, since it uses less digits than its factorization.
90966469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6788 (or 6777 counting only the distinct ones).
The product of its (nonzero) digits is 629856, while the sum is 49.
The square root of 90966469 is about 9537.6343502988. The cubic root of 90966469 is about 449.7388921456.
The spelling of 90966469 in words is "ninety million, nine hundred sixty-six thousand, four hundred sixty-nine".
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