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71002342 = 235501171
BaseRepresentation
bin1000011101101…
…10100011100110
311221121021220101
410032312203212
5121134033332
611013454314
71521336625
oct416664346
9157537811
1071002342
1137096124
121b94139a
131192cb28
1496036bc
156377ae7
hex43b68e6

71002342 has 4 divisors (see below), whose sum is σ = 106503516. Its totient is φ = 35501170.

The previous prime is 71002333. The next prime is 71002367. The reversal of 71002342 is 24320017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24320017 = 41958043.

It is a super-3 number, since 3×710023423 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17750584 + ... + 17750587.

It is an arithmetic number, because the mean of its divisors is an integer number (26625879).

Almost surely, 271002342 is an apocalyptic number.

71002342 is a deficient number, since it is larger than the sum of its proper divisors (35501174).

71002342 is a wasteful number, since it uses less digits than its factorization.

71002342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35501173.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 71002342 is about 8426.2887441625. The cubic root of 71002342 is about 414.0863278477.

Adding to 71002342 its reverse (24320017), we get a palindrome (95322359).

The spelling of 71002342 in words is "seventy-one million, two thousand, three hundred forty-two".

Divisors: 1 2 35501171 71002342