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80006163 = 3181147341
BaseRepresentation
bin1001100010011…
…00110000010011
312120112201211020
410301030300103
5130440144123
611534450523
71661020056
oct461146023
9176481736
1080006163
11411858a6
1222963a43
1313763133
14a8a8a9d
1570557e3
hex4c4cc13

80006163 has 8 divisors (see below), whose sum is σ = 107264976. Its totient is φ = 53042400.

The previous prime is 80006119. The next prime is 80006189. The reversal of 80006163 is 36160008.

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

It is not a de Polignac number, because 80006163 - 220 = 78957587 is a prime.

It is a super-2 number, since 2×800061632 = 12801972235965138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80006263) 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, 73128 + ... + 74213.

It is an arithmetic number, because the mean of its divisors is an integer number (13408122).

Almost surely, 280006163 is an apocalyptic number.

80006163 is a deficient number, since it is larger than the sum of its proper divisors (27258813).

80006163 is a wasteful number, since it uses less digits than its factorization.

80006163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147525.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 80006163 is about 8944.6164255378. The cubic root of 80006163 is about 430.8980025397.

The spelling of 80006163 in words is "eighty million, six thousand, one hundred sixty-three".

Divisors: 1 3 181 543 147341 442023 26668721 80006163