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71716413 = 323905471
BaseRepresentation
bin1000100011001…
…00111000111101
311222221120102110
410101210320331
5121324411123
611041044233
71530402516
oct421447075
9158846373
1071716413
113753366a
1220026679
1311b1cb62
14974ba0d
156469493
hex4464e3d

71716413 has 4 divisors (see below), whose sum is σ = 95621888. Its totient is φ = 47810940.

The previous prime is 71716373. The next prime is 71716427. The reversal of 71716413 is 31461717.

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 not a de Polignac number, because 71716413 - 210 = 71715389 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 (71716483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11952733 + ... + 11952738.

It is an arithmetic number, because the mean of its divisors is an integer number (23905472).

Almost surely, 271716413 is an apocalyptic number.

It is an amenable number.

71716413 is a deficient number, since it is larger than the sum of its proper divisors (23905475).

71716413 is a wasteful number, since it uses less digits than its factorization.

71716413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23905474.

The product of its digits is 3528, while the sum is 30.

The square root of 71716413 is about 8468.5543630539. The cubic root of 71716413 is about 415.4698563775.

The spelling of 71716413 in words is "seventy-one million, seven hundred sixteen thousand, four hundred thirteen".

Divisors: 1 3 23905471 71716413