Base | Representation |
---|---|
bin | 1010110010101… |
… | …01100011000111 |
3 | 20022100021222210 |
4 | 11121111203013 |
5 | 141133343233 |
6 | 12552154503 |
7 | 2146321602 |
oct | 531254307 |
9 | 208307883 |
10 | 90527943 |
11 | 47111a90 |
12 | 26398a33 |
13 | 159a833c |
14 | c047339 |
15 | 7e33163 |
hex | 56558c7 |
90527943 has 32 divisors (see below), whose sum is σ = 136046592. Its totient is φ = 53071200.
The previous prime is 90527929. The next prime is 90527963. The reversal of 90527943 is 34972509.
It is not a de Polignac number, because 90527943 - 224 = 73750727 is a prime.
It is a super-2 number, since 2×905279432 = 16390616927622498, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90527963) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185646 + ... + 186132.
It is an arithmetic number, because the mean of its divisors is an integer number (4251456).
Almost surely, 290527943 is an apocalyptic number.
90527943 is a deficient number, since it is larger than the sum of its proper divisors (45518649).
90527943 is a wasteful number, since it uses less digits than its factorization.
90527943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 675.
The product of its (nonzero) digits is 68040, while the sum is 39.
The square root of 90527943 is about 9514.6173333456. The cubic root of 90527943 is about 449.0150357976.
The spelling of 90527943 in words is "ninety million, five hundred twenty-seven thousand, nine hundred forty-three".
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