Base | Representation |
---|---|
bin | 1010101101110… |
… | …00010000000001 |
3 | 20021010120012001 |
4 | 11112320100001 |
5 | 141002234044 |
6 | 12530304001 |
7 | 2140666312 |
oct | 526702001 |
9 | 207116161 |
10 | 89883649 |
11 | 46811a09 |
12 | 26128001 |
13 | 15810cbb |
14 | bd1a609 |
15 | 7d572d4 |
hex | 55b8401 |
89883649 has 4 divisors (see below), whose sum is σ = 91225264. Its totient is φ = 88542036.
The previous prime is 89883613. The next prime is 89883713. The reversal of 89883649 is 94638898.
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 89883649 - 215 = 89850881 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 89883649.
It is not an unprimeable number, because it can be changed into a prime (89883349) 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, 670707 + ... + 670840.
It is an arithmetic number, because the mean of its divisors is an integer number (22806316).
Almost surely, 289883649 is an apocalyptic number.
It is an amenable number.
89883649 is a deficient number, since it is larger than the sum of its proper divisors (1341615).
89883649 is a wasteful number, since it uses less digits than its factorization.
89883649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1341614.
The product of its digits is 2985984, while the sum is 55.
The square root of 89883649 is about 9480.6987611673. The cubic root of 89883649 is about 447.9472743673.
The spelling of 89883649 in words is "eighty-nine million, eight hundred eighty-three thousand, six hundred forty-nine".
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