Base | Representation |
---|---|
bin | 1010110010101… |
… | …01010111111110 |
3 | 20022100021000101 |
4 | 11121111113332 |
5 | 141133332410 |
6 | 12552151314 |
7 | 2146316533 |
oct | 531252776 |
9 | 208307011 |
10 | 90527230 |
11 | 471114a2 |
12 | 2639853a |
13 | 159a7c11 |
14 | c046d8a |
15 | 7e32d3a |
hex | 56555fe |
90527230 has 16 divisors (see below), whose sum is σ = 163573344. Its totient is φ = 36072160.
The previous prime is 90527207. The next prime is 90527237. The reversal of 90527230 is 3272509.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90527237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14581 + ... + 19840.
It is an arithmetic number, because the mean of its divisors is an integer number (10223334).
Almost surely, 290527230 is an apocalyptic number.
90527230 is a deficient number, since it is larger than the sum of its proper divisors (73046114).
90527230 is a wasteful number, since it uses less digits than its factorization.
90527230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34691.
The product of its (nonzero) digits is 3780, while the sum is 28.
The square root of 90527230 is about 9514.5798646078. The cubic root of 90527230 is about 449.0138569772.
Adding to 90527230 its reverse (3272509), we get a palindrome (93799739).
The spelling of 90527230 in words is "ninety million, five hundred twenty-seven thousand, two hundred thirty".
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