Base | Representation |
---|---|
bin | 1010100111111… |
… | …10111101001101 |
3 | 20012201000002021 |
4 | 11103332331031 |
5 | 140303442220 |
6 | 12502130141 |
7 | 2131355506 |
oct | 523767515 |
9 | 205630067 |
10 | 89124685 |
11 | 46343771 |
12 | 25a20951 |
13 | 15606700 |
14 | bb9dbad |
15 | 7c574aa |
hex | 54fef4d |
89124685 has 24 divisors (see below), whose sum is σ = 119835720. Its totient is φ = 63528192.
The previous prime is 89124677. The next prime is 89124691. The reversal of 89124685 is 58642198.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 74425129 + 14699556 = 8627^2 + 3834^2 .
It is not a de Polignac number, because 89124685 - 23 = 89124677 is a prime.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22687 + ... + 26323.
It is an arithmetic number, because the mean of its divisors is an integer number (4993155).
Almost surely, 289124685 is an apocalyptic number.
It is an amenable number.
89124685 is a deficient number, since it is larger than the sum of its proper divisors (30711035).
89124685 is a wasteful number, since it uses less digits than its factorization.
89124685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3697 (or 3684 counting only the distinct ones).
The product of its digits is 138240, while the sum is 43.
The square root of 89124685 is about 9440.5871109799. The cubic root of 89124685 is about 446.6829091764.
The spelling of 89124685 in words is "eighty-nine million, one hundred twenty-four thousand, six hundred eighty-five".
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