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71114669 = 359198091
BaseRepresentation
bin1000011110100…
…01111110101101
311221210222222122
410033101332231
5121201132134
611020122325
71522315253
oct417217655
9157728878
1071114669
113716255a
121b9963a5
131196bcb2
1496325d3
15639b02e
hex43d1fad

71114669 has 4 divisors (see below), whose sum is σ = 71313120. Its totient is φ = 70916220.

The previous prime is 71114657. The next prime is 71114707. The reversal of 71114669 is 96641117.

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 a cyclic number.

It is not a de Polignac number, because 71114669 - 216 = 71049133 is a prime.

It is a super-2 number, since 2×711146692 = 10114592293959122, 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 (71114609) 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, 98687 + ... + 99404.

It is an arithmetic number, because the mean of its divisors is an integer number (17828280).

Almost surely, 271114669 is an apocalyptic number.

It is an amenable number.

71114669 is a deficient number, since it is larger than the sum of its proper divisors (198451).

71114669 is a wasteful number, since it uses less digits than its factorization.

71114669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198450.

The product of its digits is 9072, while the sum is 35.

The square root of 71114669 is about 8432.9513813374. The cubic root of 71114669 is about 414.3045768378.

The spelling of 71114669 in words is "seventy-one million, one hundred fourteen thousand, six hundred sixty-nine".

Divisors: 1 359 198091 71114669