Base | Representation |
---|---|
bin | 1010100111101… |
… | …10100011110101 |
3 | 20012122020220111 |
4 | 11103312203311 |
5 | 140301342133 |
6 | 12501303021 |
7 | 2131153315 |
oct | 523664365 |
9 | 205566814 |
10 | 89090293 |
11 | 4631a946 |
12 | 25a04a71 |
13 | 155c3b66 |
14 | bb91445 |
15 | 7c4c1cd |
hex | 54f68f5 |
89090293 has 4 divisors (see below), whose sum is σ = 92963808. Its totient is φ = 85216780.
The previous prime is 89090279. The next prime is 89090299. The reversal of 89090293 is 39209098.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 89090293 - 225 = 55535861 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89090299) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936723 + ... + 1936768.
It is an arithmetic number, because the mean of its divisors is an integer number (23240952).
Almost surely, 289090293 is an apocalyptic number.
It is an amenable number.
89090293 is a deficient number, since it is larger than the sum of its proper divisors (3873515).
89090293 is a wasteful number, since it uses less digits than its factorization.
89090293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3873514.
The product of its (nonzero) digits is 34992, while the sum is 40.
The square root of 89090293 is about 9438.7654383399. The cubic root of 89090293 is about 446.6254455042.
The spelling of 89090293 in words is "eighty-nine million, ninety thousand, two hundred ninety-three".
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