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80934984 = 233313193741
BaseRepresentation
bin1001101001011…
…11100001001000
312122021220221000
410310233201020
5131204404414
612010415000
72001636024
oct464574110
9178256830
1080934984
114175a719
1223131460
13139c9b30
14aa6b384
15718ab09
hex4d2f848

80934984 has 256 divisors, whose sum is σ = 268128000. Its totient is φ = 22394880.

The previous prime is 80934949. The next prime is 80934989. The reversal of 80934984 is 48943908.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80934989) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1974004 + ... + 1974044.

It is an arithmetic number, because the mean of its divisors is an integer number (1047375).

Almost surely, 280934984 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 80934984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134064000).

80934984 is an abundant number, since it is smaller than the sum of its proper divisors (187193016).

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

80934984 is a wasteful number, since it uses less digits than its factorization.

80934984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 80934984 is about 8996.3872749010. The cubic root of 80934984 is about 432.5590755394.

It can be divided in two parts, 80934 and 984, that added together give a palindrome (81918).

The spelling of 80934984 in words is "eighty million, nine hundred thirty-four thousand, nine hundred eighty-four".