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71433669 = 334968227
BaseRepresentation
bin1000100000111…
…11110111000101
311222102012120110
410100133313011
5121241334134
611031023233
71525114266
oct420376705
9158365513
1071433669
113736019a
121bb0ab19
1311a51258
1496b696d
1564107e9
hex441fdc5

71433669 has 8 divisors (see below), whose sum is σ = 95519200. Its totient is φ = 47485296.

The previous prime is 71433667. The next prime is 71433671. The reversal of 71433669 is 96633417.

It is an interprime number because it is at equal distance from previous prime (71433667) and next prime (71433671).

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

It is not a de Polignac number, because 71433669 - 21 = 71433667 is a prime.

It is a super-2 number, since 2×714336692 = 10205538133603122, 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 (71433667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33067 + ... + 35160.

It is an arithmetic number, because the mean of its divisors is an integer number (11939900).

Almost surely, 271433669 is an apocalyptic number.

It is an amenable number.

71433669 is a deficient number, since it is larger than the sum of its proper divisors (24085531).

71433669 is a wasteful number, since it uses less digits than its factorization.

71433669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68579.

The product of its digits is 81648, while the sum is 39.

The square root of 71433669 is about 8451.8441182975. The cubic root of 71433669 is about 414.9231366817.

The spelling of 71433669 in words is "seventy-one million, four hundred thirty-three thousand, six hundred sixty-nine".

Divisors: 1 3 349 1047 68227 204681 23811223 71433669