Search a number
-
+
80989326 = 232111724061
BaseRepresentation
bin1001101001111…
…00110010001110
312122101200110200
410310330302032
5131213124301
612011514330
72002253325
oct464746216
9178350420
1080989326
1141797530
12231589a6
1313a187a2
14aa830bc
15719bc86
hex4d3cc8e

80989326 has 48 divisors (see below), whose sum is σ = 202698288. Its totient is φ = 23097600.

The previous prime is 80989283. The next prime is 80989351. The reversal of 80989326 is 62398908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8665 + ... + 15396.

It is an arithmetic number, because the mean of its divisors is an integer number (4222881).

Almost surely, 280989326 is an apocalyptic number.

80989326 is an abundant number, since it is smaller than the sum of its proper divisors (121708962).

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

80989326 is a wasteful number, since it uses less digits than its factorization.

80989326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24097 (or 24094 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 80989326 is about 8999.4069804627. The cubic root of 80989326 is about 432.6558646130.

It can be divided in two parts, 8098 and 9326, that added together give a square (17424 = 1322).

The spelling of 80989326 in words is "eighty million, nine hundred eighty-nine thousand, three hundred twenty-six".

Divisors: 1 2 3 6 9 11 17 18 22 33 34 51 66 99 102 153 187 198 306 374 561 1122 1683 3366 24061 48122 72183 144366 216549 264671 409037 433098 529342 794013 818074 1227111 1588026 2382039 2454222 3681333 4499407 4764078 7362666 8998814 13498221 26996442 40494663 80989326