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71641114 = 235820557
BaseRepresentation
bin1000100010100…
…10100000011010
311222210202010121
410101102200122
5121320003424
611035303454
71526640136
oct421224032
9158722117
1071641114
1137492036
121bbaab8a
1311ac47bc
14972c3c6
156451ee4
hex445281a

71641114 has 4 divisors (see below), whose sum is σ = 107461674. Its totient is φ = 35820556.

The previous prime is 71641103. The next prime is 71641117. The reversal of 71641114 is 41114617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41114617 = 67613651.

It can be written as a sum of positive squares in only one way, i.e., 71115489 + 525625 = 8433^2 + 725^2 .

It is not an unprimeable number, because it can be changed into a prime (71641117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17910277 + ... + 17910280.

Almost surely, 271641114 is an apocalyptic number.

71641114 is a deficient number, since it is larger than the sum of its proper divisors (35820560).

71641114 is a wasteful number, since it uses less digits than its factorization.

71641114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35820559.

The product of its digits is 672, while the sum is 25.

The square root of 71641114 is about 8464.1073953489. The cubic root of 71641114 is about 415.3243972518.

The spelling of 71641114 in words is "seventy-one million, six hundred forty-one thousand, one hundred fourteen".

Divisors: 1 2 35820557 71641114