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80234457 = 3154317333
BaseRepresentation
bin1001100100001…
…00011111011001
312120222022222120
410302010133121
5131020000312
611543411453
71662660462
oct462043731
9176868876
1080234457
1141321376
1222a53b89
1313813014
14a927d69
15709d28c
hex4c847d9

80234457 has 8 divisors (see below), whose sum is σ = 107054784. Its totient is φ = 53451888.

The previous prime is 80234449. The next prime is 80234471. The reversal of 80234457 is 75443208.

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

It is not a de Polignac number, because 80234457 - 23 = 80234449 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (80234437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4038 + ... + 13295.

It is an arithmetic number, because the mean of its divisors is an integer number (13381848).

Almost surely, 280234457 is an apocalyptic number.

It is an amenable number.

80234457 is a deficient number, since it is larger than the sum of its proper divisors (26820327).

80234457 is a wasteful number, since it uses less digits than its factorization.

80234457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18879.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 80234457 is about 8957.3688659115. The cubic root of 80234457 is about 431.3074627063.

The spelling of 80234457 in words is "eighty million, two hundred thirty-four thousand, four hundred fifty-seven".

Divisors: 1 3 1543 4629 17333 51999 26744819 80234457