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71074077 = 337640307
BaseRepresentation
bin1000011110010…
…00000100011101
311221201221022020
410033020010131
5121143332302
611015210353
71522056024
oct417100435
9157657266
1071074077
1137135008
121b9769b9
1311956689
1496218bb
15638debc
hex43c811d

71074077 has 8 divisors (see below), whose sum is σ = 97326816. Its totient is φ = 46102032.

The previous prime is 71074061. The next prime is 71074097. The reversal of 71074077 is 77047017.

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

It is not a de Polignac number, because 71074077 - 24 = 71074061 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71074027) 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, 320043 + ... + 320264.

It is an arithmetic number, because the mean of its divisors is an integer number (12165852).

Almost surely, 271074077 is an apocalyptic number.

It is an amenable number.

71074077 is a deficient number, since it is larger than the sum of its proper divisors (26252739).

71074077 is a wasteful number, since it uses less digits than its factorization.

71074077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640347.

The product of its (nonzero) digits is 9604, while the sum is 33.

The square root of 71074077 is about 8430.5442884787. The cubic root of 71074077 is about 414.2257339754.

The spelling of 71074077 in words is "seventy-one million, seventy-four thousand, seventy-seven".

Divisors: 1 3 37 111 640307 1920921 23691359 71074077