Base | Representation |
---|---|
bin | 1010101001001… |
… | …11010110110101 |
3 | 20020000102002011 |
4 | 11110213112311 |
5 | 140324241130 |
6 | 12505444221 |
7 | 2132645116 |
oct | 524472665 |
9 | 206012064 |
10 | 89290165 |
11 | 46447028 |
12 | 25aa0671 |
13 | 15663b23 |
14 | bc0420d |
15 | 7c8b52a |
hex | 55275b5 |
89290165 has 8 divisors (see below), whose sum is σ = 107223480. Its totient is φ = 71381952.
The previous prime is 89290147. The next prime is 89290181. The reversal of 89290165 is 56109298.
It can be written as a sum of positive squares in 4 ways, for example, as 1343281 + 87946884 = 1159^2 + 9378^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 89290165 - 25 = 89290133 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731 + ... + 13639.
It is an arithmetic number, because the mean of its divisors is an integer number (13402935).
Almost surely, 289290165 is an apocalyptic number.
It is an amenable number.
89290165 is a deficient number, since it is larger than the sum of its proper divisors (17933315).
89290165 is a wasteful number, since it uses less digits than its factorization.
89290165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12551.
The product of its (nonzero) digits is 38880, while the sum is 40.
The square root of 89290165 is about 9449.3473319590. The cubic root of 89290165 is about 446.9591939755.
The spelling of 89290165 in words is "eighty-nine million, two hundred ninety thousand, one hundred sixty-five".
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