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71340576 = 253743131
BaseRepresentation
bin1000100000010…
…01001000100000
311222020110212120
410100021020200
5121230344301
611025024240
71524246006
oct420111040
9158213776
1071340576
11372a725a
121ba85080
1311a1aa78
149690a76
1563e2e36
hex4409220

71340576 has 24 divisors (see below), whose sum is σ = 187269264. Its totient is φ = 23780160.

The previous prime is 71340571. The next prime is 71340589. The reversal of 71340576 is 67504317.

71340576 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (71340571) 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, 371470 + ... + 371661.

It is an arithmetic number, because the mean of its divisors is an integer number (7802886).

Almost surely, 271340576 is an apocalyptic number.

It is an amenable number.

71340576 is an abundant number, since it is smaller than the sum of its proper divisors (115928688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71340576 is a wasteful number, since it uses less digits than its factorization.

71340576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743144 (or 743136 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 71340576 is about 8446.3350632094. The cubic root of 71340576 is about 414.7428144718.

The spelling of 71340576 in words is "seventy-one million, three hundred forty thousand, five hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 743131 1486262 2229393 2972524 4458786 5945048 8917572 11890096 17835144 23780192 35670288 71340576