Base | Representation |
---|---|
bin | 1010110110000… |
… | …00010010010110 |
3 | 20100011111201100 |
4 | 11123000102112 |
5 | 141241341032 |
6 | 13005410530 |
7 | 2153122332 |
oct | 533002226 |
9 | 210144640 |
10 | 90965142 |
11 | 47390504 |
12 | 26569a46 |
13 | 15acc338 |
14 | c11c7c2 |
15 | 7ebc97c |
hex | 56c0496 |
90965142 has 24 divisors (see below), whose sum is σ = 201899880. Its totient is φ = 29581920.
The previous prime is 90965137. The next prime is 90965153. The reversal of 90965142 is 24156909.
It is a junction number, because it is equal to n+sod(n) for n = 90965097 and 90965106.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60892 + ... + 62367.
It is an arithmetic number, because the mean of its divisors is an integer number (8412495).
Almost surely, 290965142 is an apocalyptic number.
90965142 is an abundant number, since it is smaller than the sum of its proper divisors (110934738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90965142 is a wasteful number, since it uses less digits than its factorization.
90965142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123308 (or 123305 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 90965142 is about 9537.5647835283. The cubic root of 90965142 is about 449.7367052357.
The spelling of 90965142 in words is "ninety million, nine hundred sixty-five thousand, one hundred forty-two".
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