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71340344 = 2347918617
BaseRepresentation
bin1000100000010…
…01000100111000
311222020110112222
410100021010320
5121230342334
611025023212
71524245225
oct420110470
9158213488
1071340344
11372a7069
121ba84b08
1311a1a92a
14969094c
1563e2d2e
hex4409138

71340344 has 16 divisors (see below), whose sum is σ = 134049600. Its totient is φ = 35593792.

The previous prime is 71340343. The next prime is 71340349. The reversal of 71340344 is 44304317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71340343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5477 + ... + 13140.

It is an arithmetic number, because the mean of its divisors is an integer number (8378100).

Almost surely, 271340344 is an apocalyptic number.

It is an amenable number.

71340344 is a deficient number, since it is larger than the sum of its proper divisors (62709256).

71340344 is a wasteful number, since it uses less digits than its factorization.

71340344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19102 (or 19098 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 71340344 is about 8446.3213294309. The cubic root of 71340344 is about 414.7423648893.

The spelling of 71340344 in words is "seventy-one million, three hundred forty thousand, three hundred forty-four".

Divisors: 1 2 4 8 479 958 1916 3832 18617 37234 74468 148936 8917543 17835086 35670172 71340344