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71301701 = 371927073
BaseRepresentation
bin1000011111111…
…11101001000101
311222011111112202
410033333221011
5121223123301
611024124245
71524024452
oct417775105
9158144482
1071301701
1137280029
121ba66685
1311a06173
149680829
1563d666b
hex43ffa45

71301701 has 4 divisors (see below), whose sum is σ = 73228812. Its totient is φ = 69374592.

The previous prime is 71301683. The next prime is 71301719. The reversal of 71301701 is 10710317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10710317 = 88112157.

It is an interprime number because it is at equal distance from previous prime (71301683) and next prime (71301719).

It can be written as a sum of positive squares in 2 ways, for example, as 68973025 + 2328676 = 8305^2 + 1526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71301701 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 (71301721) 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, 963500 + ... + 963573.

It is an arithmetic number, because the mean of its divisors is an integer number (18307203).

Almost surely, 271301701 is an apocalyptic number.

It is an amenable number.

71301701 is a deficient number, since it is larger than the sum of its proper divisors (1927111).

71301701 is a wasteful number, since it uses less digits than its factorization.

71301701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927110.

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 71301701 is about 8444.0334556419. The cubic root of 71301701 is about 414.6674667183.

The spelling of 71301701 in words is "seventy-one million, three hundred one thousand, seven hundred one".

Divisors: 1 37 1927073 71301701