Base | Representation |
---|---|
bin | 1010101000000… |
… | …10001011100110 |
3 | 20012201200012111 |
4 | 11110002023212 |
5 | 140304403034 |
6 | 12502311234 |
7 | 2131442146 |
oct | 524021346 |
9 | 205650174 |
10 | 89137894 |
11 | 4635268a |
12 | 25a2851a |
13 | 1560c721 |
14 | bba4926 |
15 | 7c5b364 |
hex | 55022e6 |
89137894 has 4 divisors (see below), whose sum is σ = 133706844. Its totient is φ = 44568946.
The previous prime is 89137879. The next prime is 89137907. The reversal of 89137894 is 49873198.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22284472 + ... + 22284475.
It is an arithmetic number, because the mean of its divisors is an integer number (33426711).
Almost surely, 289137894 is an apocalyptic number.
89137894 is a deficient number, since it is larger than the sum of its proper divisors (44568950).
89137894 is a wasteful number, since it uses less digits than its factorization.
89137894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44568949.
The product of its digits is 435456, while the sum is 49.
The square root of 89137894 is about 9441.2866707880. The cubic root of 89137894 is about 446.7049754277.
It can be divided in two parts, 8913 and 7894, that added together give a 5-th power (16807 = 75).
The spelling of 89137894 in words is "eighty-nine million, one hundred thirty-seven thousand, eight hundred ninety-four".
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