Base | Representation |
---|---|
bin | 1010110000111… |
… | …01100001010100 |
3 | 20021220122012010 |
4 | 11120131201110 |
5 | 141104022302 |
6 | 12543224220 |
7 | 2144344536 |
oct | 530354124 |
9 | 207818163 |
10 | 90298452 |
11 | 46a75622 |
12 | 262a8070 |
13 | 15927a4a |
14 | bdc7856 |
15 | 7dda16c |
hex | 561d854 |
90298452 has 48 divisors (see below), whose sum is σ = 217817600. Its totient is φ = 29096928.
The previous prime is 90298423. The next prime is 90298457. The reversal of 90298452 is 25489209.
It is a self number, because there is not a number n which added to its sum of digits gives 90298452.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90298457) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52299 + ... + 53997.
Almost surely, 290298452 is an apocalyptic number.
It is an amenable number.
90298452 is an abundant number, since it is smaller than the sum of its proper divisors (127519148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90298452 is a wasteful number, since it uses less digits than its factorization.
90298452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1852 (or 1850 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 90298452 is about 9502.5497630899. The cubic root of 90298452 is about 448.6352926193.
The spelling of 90298452 in words is "ninety million, two hundred ninety-eight thousand, four hundred fifty-two".
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