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80368063 = 697711519
BaseRepresentation
bin1001100101001…
…01000110111111
312121020010020221
410302211012333
5131033234223
611550322211
71664055136
oct462450677
9177203227
1080368063
1141402796
1222ab9367
131385ba89
14a96091d
1570c7b5d
hex4ca51bf

80368063 has 4 divisors (see below), whose sum is σ = 80386560. Its totient is φ = 80349568.

The previous prime is 80368051. The next prime is 80368103. The reversal of 80368063 is 36086308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80368063 - 213 = 80359871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80362063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218 + ... + 12736.

It is an arithmetic number, because the mean of its divisors is an integer number (20096640).

Almost surely, 280368063 is an apocalyptic number.

80368063 is a deficient number, since it is larger than the sum of its proper divisors (18497).

80368063 is a wasteful number, since it uses less digits than its factorization.

80368063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18496.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 80368063 is about 8964.8236457836. The cubic root of 80368063 is about 431.5467335915.

The spelling of 80368063 in words is "eighty million, three hundred sixty-eight thousand, sixty-three".

Divisors: 1 6977 11519 80368063