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71366741 = 211338231
BaseRepresentation
bin1000100000011…
…11100001010101
311222021210202122
410100033201111
5121232213431
611025345325
71524415205
oct420174125
9158253678
1071366741
1137314986
121ba98245
1311a29954
14969a405
1563eaa7b
hex440f855

71366741 has 4 divisors (see below), whose sum is σ = 71705184. Its totient is φ = 71028300.

The previous prime is 71366699. The next prime is 71366749. The reversal of 71366741 is 14766317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71366741 - 218 = 71104597 is a prime.

It is a super-2 number, since 2×713667412 = 10186423441922162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71366749) 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, 168905 + ... + 169326.

It is an arithmetic number, because the mean of its divisors is an integer number (17926296).

Almost surely, 271366741 is an apocalyptic number.

It is an amenable number.

71366741 is a deficient number, since it is larger than the sum of its proper divisors (338443).

71366741 is a wasteful number, since it uses less digits than its factorization.

71366741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338442.

The product of its digits is 21168, while the sum is 35.

The square root of 71366741 is about 8447.8838178564. The cubic root of 71366741 is about 414.7935122185.

The spelling of 71366741 in words is "seventy-one million, three hundred sixty-six thousand, seven hundred forty-one".

Divisors: 1 211 338231 71366741