Base | Representation |
---|---|
bin | 1010101110011… |
… | …10011111010110 |
3 | 20021022012010212 |
4 | 11113032133112 |
5 | 141013142432 |
6 | 12532245422 |
7 | 2141526014 |
oct | 527163726 |
9 | 207265125 |
10 | 89974742 |
11 | 468743a0 |
12 | 26170872 |
13 | 158435c0 |
14 | bd418b4 |
15 | 7d742b2 |
hex | 55ce7d6 |
89974742 has 16 divisors (see below), whose sum is σ = 158557392. Its totient is φ = 37751520.
The previous prime is 89974691. The next prime is 89974751. The reversal of 89974742 is 24747998.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157013 + ... + 157584.
It is an arithmetic number, because the mean of its divisors is an integer number (9909837).
Almost surely, 289974742 is an apocalyptic number.
89974742 is a deficient number, since it is larger than the sum of its proper divisors (68582650).
89974742 is a wasteful number, since it uses less digits than its factorization.
89974742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314623.
The product of its digits is 1016064, while the sum is 50.
The square root of 89974742 is about 9485.5016736069. The cubic root of 89974742 is about 448.0985480218.
The spelling of 89974742 in words is "eighty-nine million, nine hundred seventy-four thousand, seven hundred forty-two".
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