Base | Representation |
---|---|
bin | 1010101101101… |
… | …11010010100000 |
3 | 20021010100210020 |
4 | 11112313102200 |
5 | 141002122322 |
6 | 12530233440 |
7 | 2140651656 |
oct | 526672240 |
9 | 207110706 |
10 | 89879712 |
11 | 46809a5a |
12 | 26125880 |
13 | 1580c280 |
14 | bd18dd6 |
15 | 7d5605c |
hex | 55b74a0 |
89879712 has 48 divisors (see below), whose sum is σ = 254086560. Its totient is φ = 27654912.
The previous prime is 89879707. The next prime is 89879719. The reversal of 89879712 is 21797898.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (89879719) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34762 + ... + 37257.
It is an arithmetic number, because the mean of its divisors is an integer number (5293470).
Almost surely, 289879712 is an apocalyptic number.
It is an amenable number.
89879712 is an abundant number, since it is smaller than the sum of its proper divisors (164206848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89879712 is a wasteful number, since it uses less digits than its factorization.
89879712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72045 (or 72037 counting only the distinct ones).
The product of its digits is 508032, while the sum is 51.
The square root of 89879712 is about 9480.4911265187. The cubic root of 89879712 is about 447.9407340818.
It can be divided in two parts, 89 and 879712, that added together give a triangular number (879801 = T1326).
The spelling of 89879712 in words is "eighty-nine million, eight hundred seventy-nine thousand, seven hundred twelve".
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