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71013022 = 235506511
BaseRepresentation
bin1000011101110…
…01001010011110
311221121211112221
410032321022132
5121134404042
611014015554
71521413023
oct416711236
9157554487
1071013022
11370a3153
121b9475ba
1311934952
14960754a
15637ad67
hex43b929e

71013022 has 4 divisors (see below), whose sum is σ = 106519536. Its totient is φ = 35506510.

The previous prime is 71013001. The next prime is 71013023. The reversal of 71013022 is 22031017.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 71012987 and 71013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71013023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17753254 + ... + 17753257.

It is an arithmetic number, because the mean of its divisors is an integer number (26629884).

Almost surely, 271013022 is an apocalyptic number.

71013022 is a deficient number, since it is larger than the sum of its proper divisors (35506514).

71013022 is a wasteful number, since it uses less digits than its factorization.

71013022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35506513.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 71013022 is about 8426.9224512867. The cubic root of 71013022 is about 414.1070887604.

Adding to 71013022 its reverse (22031017), we get a palindrome (93044039).

The spelling of 71013022 in words is "seventy-one million, thirteen thousand, twenty-two".

Divisors: 1 2 35506511 71013022