Base | Representation |
---|---|
bin | 1010110000100… |
… | …00111101111100 |
3 | 20021211000122211 |
4 | 11120100331330 |
5 | 141100401121 |
6 | 12542150204 |
7 | 2144041615 |
oct | 530207574 |
9 | 207730584 |
10 | 90247036 |
11 | 46a3aa30 |
12 | 26282364 |
13 | 1590a519 |
14 | bdb2c0c |
15 | 7dc9ce1 |
hex | 5610f7c |
90247036 has 24 divisors (see below), whose sum is σ = 181359360. Its totient is φ = 38862000.
The previous prime is 90247013. The next prime is 90247037. The reversal of 90247036 is 63074209.
It is a junction number, because it is equal to n+sod(n) for n = 90246989 and 90247007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90247037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53140 + ... + 54811.
It is an arithmetic number, because the mean of its divisors is an integer number (7556640).
Almost surely, 290247036 is an apocalyptic number.
It is an amenable number.
90247036 is an abundant number, since it is smaller than the sum of its proper divisors (91112324).
90247036 is a wasteful number, since it uses less digits than its factorization.
90247036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107985 (or 107983 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 90247036 is about 9499.8439987191. The cubic root of 90247036 is about 448.5501253723.
The spelling of 90247036 in words is "ninety million, two hundred forty-seven thousand, thirty-six".
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