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71427158 = 2113246689
BaseRepresentation
bin1000100000111…
…10010001010110
311222101212122022
410100132101112
5121241132113
611030533142
71525056305
oct420362126
9158355568
1071427158
1137356310
121bb071b2
1311a4b2ba
1496b443c
15640d908
hex441e456

71427158 has 8 divisors (see below), whose sum is σ = 116880840. Its totient is φ = 32466880.

The previous prime is 71427151. The next prime is 71427179. The reversal of 71427158 is 85172417.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71427151) 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 3 ways as a sum of consecutive naturals, for example, 1623323 + ... + 1623366.

It is an arithmetic number, because the mean of its divisors is an integer number (14610105).

Almost surely, 271427158 is an apocalyptic number.

71427158 is a deficient number, since it is larger than the sum of its proper divisors (45453682).

71427158 is a wasteful number, since it uses less digits than its factorization.

71427158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246702.

The product of its digits is 15680, while the sum is 35.

The square root of 71427158 is about 8451.4589273095. The cubic root of 71427158 is about 414.9105298972.

It can be divided in two parts, 714 and 27158, that added together give a palindrome (27872).

The spelling of 71427158 in words is "seventy-one million, four hundred twenty-seven thousand, one hundred fifty-eight".

Divisors: 1 2 11 22 3246689 6493378 35713579 71427158