Base | Representation |
---|---|
bin | 1010101101101… |
… | …10110010000000 |
3 | 20021010020221012 |
4 | 11112312302000 |
5 | 141002041012 |
6 | 12530220052 |
7 | 2140642625 |
oct | 526666200 |
9 | 207106835 |
10 | 89877632 |
11 | 46808439 |
12 | 26124628 |
13 | 1580b340 |
14 | bd1834c |
15 | 7d55622 |
hex | 55b6c80 |
89877632 has 32 divisors (see below), whose sum is σ = 192829980. Its totient is φ = 41481216.
The previous prime is 89877631. The next prime is 89877647. The reversal of 89877632 is 23677898.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 73685056 + 16192576 = 8584^2 + 4024^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is not an unprimeable number, because it can be changed into a prime (89877631) 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, 25343 + ... + 28670.
Almost surely, 289877632 is an apocalyptic number.
It is an amenable number.
89877632 is an abundant number, since it is smaller than the sum of its proper divisors (102952348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89877632 is a wasteful number, since it uses less digits than its factorization.
89877632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54040 (or 54028 counting only the distinct ones).
The product of its digits is 1016064, while the sum is 50.
The square root of 89877632 is about 9480.3814269258. The cubic root of 89877632 is about 447.9372786342.
It can be divided in two parts, 89877 and 632, that added together give a palindrome (90509).
The spelling of 89877632 in words is "eighty-nine million, eight hundred seventy-seven thousand, six hundred thirty-two".
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