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71383269 = 373325951
BaseRepresentation
bin1000100000100…
…11100011100101
311222022122102210
410100103203211
5121233231034
611025554033
71524514326
oct420234345
9158278383
1071383269
1137326341
121baa5919
1311a34329
1496a244d
1564008e9
hex44138e5

71383269 has 8 divisors (see below), whose sum is σ = 96481792. Its totient is φ = 46936800.

The previous prime is 71383267. The next prime is 71383303. The reversal of 71383269 is 96238317.

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

It is not a de Polignac number, because 71383269 - 21 = 71383267 is a prime.

It is a super-2 number, since 2×713832692 = 10191142186252722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71383267) 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 7 ways as a sum of consecutive naturals, for example, 162757 + ... + 163194.

It is an arithmetic number, because the mean of its divisors is an integer number (12060224).

Almost surely, 271383269 is an apocalyptic number.

It is an amenable number.

71383269 is a deficient number, since it is larger than the sum of its proper divisors (25098523).

71383269 is a wasteful number, since it uses less digits than its factorization.

71383269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326027.

The product of its digits is 54432, while the sum is 39.

The square root of 71383269 is about 8448.8619943753. The cubic root of 71383269 is about 414.8255307652.

The spelling of 71383269 in words is "seventy-one million, three hundred eighty-three thousand, two hundred sixty-nine".

Divisors: 1 3 73 219 325951 977853 23794423 71383269