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80056378 = 2274914561
BaseRepresentation
bin1001100010110…
…01000000111010
312120122021201001
410301121000322
5130443301003
611535515214
71661316343
oct461310072
9176567631
1080056378
114120a5a6
1222988b0a
131377cc4c
14a8bd0ca
15706561d
hex4c5903a

80056378 has 8 divisors (see below), whose sum is σ = 120136500. Its totient is φ = 40010880.

The previous prime is 80056373. The next prime is 80056393. The reversal of 80056378 is 87365008.

It can be written as a sum of positive squares in 2 ways, for example, as 80048809 + 7569 = 8947^2 + 87^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (80056373) 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 3 ways as a sum of consecutive naturals, for example, 1783 + ... + 12778.

Almost surely, 280056378 is an apocalyptic number.

80056378 is a deficient number, since it is larger than the sum of its proper divisors (40080122).

80056378 is a wasteful number, since it uses less digits than its factorization.

80056378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17312.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 80056378 is about 8947.4229809482. The cubic root of 80056378 is about 430.9881331710.

The spelling of 80056378 in words is "eighty million, fifty-six thousand, three hundred seventy-eight".

Divisors: 1 2 2749 5498 14561 29122 40028189 80056378