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80323488 = 2534719233
BaseRepresentation
bin1001100100110…
…10001110100000
312121010212010000
410302122032200
5131030322423
611545340000
71663511160
oct462321640
9177125100
1080323488
1141382253
1222a97600
13138446bb
14a94c5a0
1570b9843
hex4c9a3a0

80323488 has 240 divisors, whose sum is σ = 285405120. Its totient is φ = 21648384.

The previous prime is 80323483. The next prime is 80323489. The reversal of 80323488 is 88432308.

It is a happy number.

It is a super-2 number, since 2×803234882 = 12903725448972288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80323483) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 344620 + ... + 344852.

It is an arithmetic number, because the mean of its divisors is an integer number (1189188).

Almost surely, 280323488 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 80323488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142702560).

80323488 is an abundant number, since it is smaller than the sum of its proper divisors (205081632).

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

80323488 is a wasteful number, since it uses less digits than its factorization.

80323488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 80323488 is about 8962.3371951740. The cubic root of 80323488 is about 431.4669350895.

The spelling of 80323488 in words is "eighty million, three hundred twenty-three thousand, four hundred eighty-eight".