Base | Representation |
---|---|
bin | 101001000101110… |
… | …010001110000000 |
3 | 1210001012020200202 |
4 | 221011302032000 |
5 | 2402440213042 |
6 | 152223504332 |
7 | 23040436565 |
oct | 5105621600 |
9 | 1701166622 |
10 | 689382272 |
11 | 324158117 |
12 | 172a580a8 |
13 | aca92607 |
14 | 677b286c |
15 | 407c6632 |
hex | 29172380 |
689382272 has 32 divisors (see below), whose sum is σ = 1386006600. Its totient is φ = 341521920.
The previous prime is 689382269. The next prime is 689382329. The reversal of 689382272 is 272283986.
It is a tau number, because it is divible by the number of its divisors (32).
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 in 3 ways as a sum of consecutive naturals, for example, 10754 + ... + 38657.
Almost surely, 2689382272 is an apocalyptic number.
It is an amenable number.
689382272 is an abundant number, since it is smaller than the sum of its proper divisors (696624328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
689382272 is a wasteful number, since it uses less digits than its factorization.
689382272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49534 (or 49522 counting only the distinct ones).
The product of its digits is 580608, while the sum is 47.
The square root of 689382272 is about 26256.0901887543. The cubic root of 689382272 is about 883.3918136039.
The spelling of 689382272 in words is "six hundred eighty-nine million, three hundred eighty-two thousand, two hundred seventy-two".
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