Base | Representation |
---|---|
bin | 1010101101101… |
… | …11000111000110 |
3 | 20021010022210012 |
4 | 11112313013012 |
5 | 141002111412 |
6 | 12530230222 |
7 | 2140646564 |
oct | 526670706 |
9 | 207108705 |
10 | 89878982 |
11 | 46809456 |
12 | 26125372 |
13 | 1580bb3b |
14 | bd18a34 |
15 | 7d55c22 |
hex | 55b71c6 |
89878982 has 8 divisors (see below), whose sum is σ = 139167552. Its totient is φ = 43489800.
The previous prime is 89878981. The next prime is 89879039. The reversal of 89878982 is 28987898.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89878981) 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, 724769 + ... + 724892.
It is an arithmetic number, because the mean of its divisors is an integer number (17395944).
Almost surely, 289878982 is an apocalyptic number.
89878982 is a deficient number, since it is larger than the sum of its proper divisors (49288570).
89878982 is a wasteful number, since it uses less digits than its factorization.
89878982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1449694.
The product of its digits is 4644864, while the sum is 59.
The square root of 89878982 is about 9480.4526263254. The cubic root of 89878982 is about 447.9395213587.
The spelling of 89878982 in words is "eighty-nine million, eight hundred seventy-eight thousand, nine hundred eighty-two".
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