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71317401 = 323772467
BaseRepresentation
bin1000100000000…
…11011110011001
311222012022002020
410100003132121
5121224124101
611024325053
71524121311
oct420033631
9158168066
1071317401
1137290901
121ba73789
1311a1035c
149686441
1563db136
hex4403799

71317401 has 4 divisors (see below), whose sum is σ = 95089872. Its totient is φ = 47544932.

The previous prime is 71317399. The next prime is 71317403. The reversal of 71317401 is 10471317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (71317399) and next prime (71317403).

It is a cyclic number.

It is not a de Polignac number, because 71317401 - 21 = 71317399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71317403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11886231 + ... + 11886236.

It is an arithmetic number, because the mean of its divisors is an integer number (23772468).

Almost surely, 271317401 is an apocalyptic number.

It is an amenable number.

71317401 is a deficient number, since it is larger than the sum of its proper divisors (23772471).

71317401 is a wasteful number, since it uses less digits than its factorization.

71317401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23772470.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 71317401 is about 8444.9630549814. The cubic root of 71317401 is about 414.6978998466.

Adding to 71317401 its reverse (10471317), we get a palindrome (81788718).

The spelling of 71317401 in words is "seventy-one million, three hundred seventeen thousand, four hundred one".

Divisors: 1 3 23772467 71317401