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80394496 = 2872131729
BaseRepresentation
bin1001100101010…
…11100100000000
312121021110111221
410302223210000
5131040110441
611551044424
71664225200
oct462534400
9177243457
1080394496
1141420636
1222b10714
131386ab10
14a96a400
1570d08d1
hex4cab900

80394496 has 216 divisors, whose sum is σ = 220200120. Its totient is φ = 28901376.

The previous prime is 80394493. The next prime is 80394497. The reversal of 80394496 is 69449308.

It can be written as a sum of positive squares in 4 ways, for example, as 9834496 + 70560000 = 3136^2 + 8400^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80394493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2772210 + ... + 2772238.

It is an arithmetic number, because the mean of its divisors is an integer number (1019445).

Almost surely, 280394496 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 80394496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110100060).

80394496 is an abundant number, since it is smaller than the sum of its proper divisors (139805624).

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

80394496 is a wasteful number, since it uses less digits than its factorization.

80394496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 80394496 is about 8966.2977867122. The cubic root of 80394496 is about 431.5940402123.

The spelling of 80394496 in words is "eighty million, three hundred ninety-four thousand, four hundred ninety-six".