Search a number
-
+
689000364 = 223313490741
BaseRepresentation
bin101001000100010…
…100111110101100
31210000110211211000
4221010110332230
52402341002424
6152211400300
723034256263
oct5104247654
91700424730
10689000364
11323a17198
121728b3090
13ac98a830
14677135da
154074d3c9
hex29114fac

689000364 has 48 divisors (see below), whose sum is σ = 1923708640. Its totient is φ = 211999680.

The previous prime is 689000359. The next prime is 689000369. The reversal of 689000364 is 463000986.

It is an interprime number because it is at equal distance from previous prime (689000359) and next prime (689000369).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (689000369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243967 + ... + 246774.

Almost surely, 2689000364 is an apocalyptic number.

It is an amenable number.

689000364 is an abundant number, since it is smaller than the sum of its proper divisors (1234708276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689000364 is a wasteful number, since it uses less digits than its factorization.

689000364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490767 (or 490759 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 689000364 is about 26248.8164304603. The cubic root of 689000364 is about 883.2286546262.

The spelling of 689000364 in words is "six hundred eighty-nine million, three hundred sixty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 234 351 468 702 1404 490741 981482 1472223 1962964 2944446 4416669 5888892 6379633 8833338 12759266 13250007 17666676 19138899 25518532 26500014 38277798 53000028 57416697 76555596 114833394 172250091 229666788 344500182 689000364