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71029190 = 257102919
BaseRepresentation
bin1000011101111…
…01000111000110
311221122122201202
410032331013012
5121140413230
611014222502
71521511121
oct416750706
9157578652
1071029190
1137104311
121b954a32
131193c10b
14960d3b8
156380a45
hex43bd1c6

71029190 has 8 divisors (see below), whose sum is σ = 127852560. Its totient is φ = 28411672.

The previous prime is 71029187. The next prime is 71029223. The reversal of 71029190 is 9192017.

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

It is a super-2 number, since 2×710291902 = 10090291664112200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551450 + ... + 3551469.

It is an arithmetic number, because the mean of its divisors is an integer number (15981570).

Almost surely, 271029190 is an apocalyptic number.

71029190 is a deficient number, since it is larger than the sum of its proper divisors (56823370).

71029190 is a wasteful number, since it uses less digits than its factorization.

71029190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102926.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 71029190 is about 8427.8817030141. The cubic root of 71029190 is about 414.1385138669.

The spelling of 71029190 in words is "seventy-one million, twenty-nine thousand, one hundred ninety".

Divisors: 1 2 5 10 7102919 14205838 35514595 71029190