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71344133 = 746322013
BaseRepresentation
bin1000100000010…
…10000000000101
311222020122202022
410100022000011
5121231003013
611025052525
71524262250
oct420120005
9158218668
1071344133
11372a99a3
121ba87145
1311a1c583
149692097
1563e4008
hex440a005

71344133 has 8 divisors (see below), whose sum is σ = 81715968. Its totient is φ = 61017264.

The previous prime is 71344127. The next prime is 71344151. The reversal of 71344133 is 33144317.

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

It is not a de Polignac number, because 71344133 - 220 = 70295557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71344153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7766 + ... + 14247.

It is an arithmetic number, because the mean of its divisors is an integer number (10214496).

Almost surely, 271344133 is an apocalyptic number.

It is an amenable number.

71344133 is a deficient number, since it is larger than the sum of its proper divisors (10371835).

71344133 is a wasteful number, since it uses less digits than its factorization.

71344133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22483.

The product of its digits is 3024, while the sum is 26.

The square root of 71344133 is about 8446.5456252837. The cubic root of 71344133 is about 414.7497073032.

The spelling of 71344133 in words is "seventy-one million, three hundred forty-four thousand, one hundred thirty-three".

Divisors: 1 7 463 3241 22013 154091 10192019 71344133