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80808027 = 3255110559
BaseRepresentation
bin1001101000100…
…00100001011011
312122001110202220
410310100201123
5131141324102
612003555123
72000566626
oct464204133
9178043686
1080808027
11416832a3
122308baa3
1313984101
14aa36dbd
1571631bc
hex4d1085b

80808027 has 8 divisors (see below), whose sum is σ = 107796480. Its totient is φ = 53845800.

The previous prime is 80808019. The next prime is 80808029. The reversal of 80808027 is 72080808.

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

It is not a de Polignac number, because 80808027 - 23 = 80808019 is a prime.

It is a super-3 number, since 3×808080273 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80808029) 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 7 ways as a sum of consecutive naturals, for example, 2374 + ... + 12932.

It is an arithmetic number, because the mean of its divisors is an integer number (13474560).

Almost surely, 280808027 is an apocalyptic number.

80808027 is a deficient number, since it is larger than the sum of its proper divisors (26988453).

80808027 is a wasteful number, since it uses less digits than its factorization.

80808027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 80808027 is about 8989.3285066238. The cubic root of 80808027 is about 432.3327822054.

The spelling of 80808027 in words is "eighty million, eight hundred eight thousand, twenty-seven".

Divisors: 1 3 2551 7653 10559 31677 26936009 80808027