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80316378 = 2324462021
BaseRepresentation
bin1001100100110…
…00011111011010
312121010111100200
410302120133122
5131030111003
611545243030
71663451352
oct462303732
9177114320
1080316378
114137797a
1222a93476
13138413ac
14a949b62
1570b76a3
hex4c987da

80316378 has 12 divisors (see below), whose sum is σ = 174018858. Its totient is φ = 26772120.

The previous prime is 80316337. The next prime is 80316421. The reversal of 80316378 is 87361308.

It can be written as a sum of positive squares in only one way, i.e., 75637809 + 4678569 = 8697^2 + 2163^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2230993 + ... + 2231028.

Almost surely, 280316378 is an apocalyptic number.

80316378 is an abundant number, since it is smaller than the sum of its proper divisors (93702480).

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

80316378 is a wasteful number, since it uses less digits than its factorization.

80316378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462029 (or 4462026 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 80316378 is about 8961.9405264708. The cubic root of 80316378 is about 431.4542039839.

The spelling of 80316378 in words is "eighty million, three hundred sixteen thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 18 4462021 8924042 13386063 26772126 40158189 80316378