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80989416 = 2333715281
BaseRepresentation
bin1001101001111…
…00110011101000
312122101200121000
410310330303220
5131213130131
612011515000
72002253514
oct464746350
9178350530
1080989416
1141797602
1223158a60
1313a18841
14aa83144
15719bce6
hex4d3cce8

80989416 has 64 divisors (see below), whose sum is σ = 228182400. Its totient is φ = 26611200.

The previous prime is 80989387. The next prime is 80989421. The reversal of 80989416 is 61498908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12696 + ... + 17976.

It is an arithmetic number, because the mean of its divisors is an integer number (3565350).

Almost surely, 280989416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80989416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114091200).

80989416 is an abundant number, since it is smaller than the sum of its proper divisors (147192984).

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

80989416 is a wasteful number, since it uses less digits than its factorization.

80989416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5357 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 80989416 is about 8999.4119807907. The cubic root of 80989416 is about 432.6560248770.

The spelling of 80989416 in words is "eighty million, nine hundred eighty-nine thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 71 72 108 142 213 216 284 426 568 639 852 1278 1704 1917 2556 3834 5112 5281 7668 10562 15336 15843 21124 31686 42248 47529 63372 95058 126744 142587 190116 285174 374951 380232 570348 749902 1124853 1140696 1499804 2249706 2999608 3374559 4499412 6749118 8998824 10123677 13498236 20247354 26996472 40494708 80989416