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71140038 = 2311856673
BaseRepresentation
bin1000011110110…
…00001011000110
311221212021210020
410033120023012
5121202440123
611020440010
71522452234
oct417301306
9157767706
1071140038
113717a622
121b9a9006
131197a6c8
14963b954
1563a37e3
hex43d82c6

71140038 has 8 divisors (see below), whose sum is σ = 142280088. Its totient is φ = 23713344.

The previous prime is 71140007. The next prime is 71140063. The reversal of 71140038 is 83004117.

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

71140038 is an admirable 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, 5928331 + ... + 5928342.

It is an arithmetic number, because the mean of its divisors is an integer number (17785011).

Almost surely, 271140038 is an apocalyptic number.

71140038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71140038 is a wasteful number, since it uses less digits than its factorization.

71140038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856678.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 71140038 is about 8434.4554062488. The cubic root of 71140038 is about 414.3538364509.

The spelling of 71140038 in words is "seventy-one million, one hundred forty thousand, thirty-eight".

Divisors: 1 2 3 6 11856673 23713346 35570019 71140038