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71424163 is a prime number
BaseRepresentation
bin1000100000111…
…01100010100011
311222101201112101
410100131202203
5121241033123
611030511231
71525044466
oct420354243
9158351471
1071424163
1137354038
121bb05517
1311a49b25
1496b32dd
15640caad
hex441d8a3

71424163 has 2 divisors, whose sum is σ = 71424164. Its totient is φ = 71424162.

The previous prime is 71424151. The next prime is 71424179. The reversal of 71424163 is 36142417.

It is a weak prime.

It is an emirp because it is prime and its reverse (36142417) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71424163 is a prime.

It is a super-2 number, since 2×714241632 = 10202822120501138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71424263) 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 as a sum of consecutive naturals, namely, 35712081 + 35712082.

It is an arithmetic number, because the mean of its divisors is an integer number (35712082).

Almost surely, 271424163 is an apocalyptic number.

71424163 is a deficient number, since it is larger than the sum of its proper divisors (1).

71424163 is an equidigital number, since it uses as much as digits as its factorization.

71424163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 71424163 is about 8451.2817371095. The cubic root of 71424163 is about 414.9047306352.

The spelling of 71424163 in words is "seventy-one million, four hundred twenty-four thousand, one hundred sixty-three".