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71234344 = 2319468647
BaseRepresentation
bin1000011111011…
…11001100101000
311222001002011001
410033233030220
5121213444334
611022444344
71523324206
oct417571450
9158032131
1071234344
1137234465
121ba336b4
13119b15cc
149664076
1563c1714
hex43ef328

71234344 has 16 divisors (see below), whose sum is σ = 140594400. Its totient is φ = 33742512.

The previous prime is 71234329. The next prime is 71234347. The reversal of 71234344 is 44343217.

It is a super-2 number, since 2×712343442 = 10148663530220672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71234347) 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, 234172 + ... + 234475.

It is an arithmetic number, because the mean of its divisors is an integer number (8787150).

Almost surely, 271234344 is an apocalyptic number.

It is an amenable number.

71234344 is a deficient number, since it is larger than the sum of its proper divisors (69360056).

71234344 is a wasteful number, since it uses less digits than its factorization.

71234344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468672 (or 468668 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 71234344 is about 8440.0440757143. The cubic root of 71234344 is about 414.5368501227.

The spelling of 71234344 in words is "seventy-one million, two hundred thirty-four thousand, three hundred forty-four".

Divisors: 1 2 4 8 19 38 76 152 468647 937294 1874588 3749176 8904293 17808586 35617172 71234344