Base | Representation |
---|---|
bin | 1010110010011… |
… | …01110100011111 |
3 | 20022021200120100 |
4 | 11121031310133 |
5 | 141131340122 |
6 | 12551352143 |
7 | 2146130400 |
oct | 531156437 |
9 | 208250510 |
10 | 90496287 |
11 | 470a0222 |
12 | 26382653 |
13 | 15996acb |
14 | c0399a7 |
15 | 7e28aac |
hex | 564dd1f |
90496287 has 36 divisors (see below), whose sum is σ = 161016336. Its totient is φ = 48666240.
The previous prime is 90496279. The next prime is 90496313. The reversal of 90496287 is 78269409.
It is a happy number.
It is not a de Polignac number, because 90496287 - 23 = 90496279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90496207) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1462 + ... + 13532.
It is an arithmetic number, because the mean of its divisors is an integer number (4472676).
Almost surely, 290496287 is an apocalyptic number.
90496287 is a deficient number, since it is larger than the sum of its proper divisors (70520049).
90496287 is a wasteful number, since it uses less digits than its factorization.
90496287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12108 (or 12098 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 90496287 is about 9512.9536422712. The cubic root of 90496287 is about 448.9626921910.
The spelling of 90496287 in words is "ninety million, four hundred ninety-six thousand, two hundred eighty-seven".
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