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140595071 = 271518801
BaseRepresentation
bin10000110000101…
…00111101111111
3100210112222011212
420120110331333
5241443020241
621541235035
73325016111
oct1030247577
9323488155
10140595071
11723a9181
123b102a7b
1323188166
141495b3b1
15c522beb
hex8614f7f

140595071 has 4 divisors (see below), whose sum is σ = 141114144. Its totient is φ = 140076000.

The previous prime is 140595047. The next prime is 140595073. The reversal of 140595071 is 170595041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170595041 = 367146471.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140595071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140595073) 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, 259130 + ... + 259671.

It is an arithmetic number, because the mean of its divisors is an integer number (35278536).

Almost surely, 2140595071 is an apocalyptic number.

140595071 is a deficient number, since it is larger than the sum of its proper divisors (519073).

140595071 is an equidigital number, since it uses as much as digits as its factorization.

140595071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519072.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 140595071 is about 11857.2792410401. The cubic root of 140595071 is about 519.9840613951.

The spelling of 140595071 in words is "one hundred forty million, five hundred ninety-five thousand, seventy-one".

Divisors: 1 271 518801 140595071