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71260677 = 327917853
BaseRepresentation
bin1000011111101…
…01101000000101
311222002102021100
410033311220011
5121220320202
611023210313
71523464035
oct417655005
9158072240
1071260677
1137252224
121ba46999
13119c05a7
14966d8c5
1563c941c
hex43f5a05

71260677 has 6 divisors (see below), whose sum is σ = 102932102. Its totient is φ = 47507112.

The previous prime is 71260663. The next prime is 71260681. The reversal of 71260677 is 77606217.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 14243076 = 7551^2 + 3774^2 .

It is not a de Polignac number, because 71260677 - 28 = 71260421 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 (71260477) 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 5 ways as a sum of consecutive naturals, for example, 3958918 + ... + 3958935.

Almost surely, 271260677 is an apocalyptic number.

It is an amenable number.

71260677 is a deficient number, since it is larger than the sum of its proper divisors (31671425).

71260677 is a wasteful number, since it uses less digits than its factorization.

71260677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917859 (or 7917856 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 71260677 is about 8441.6039352720. The cubic root of 71260677 is about 414.5879240543.

The spelling of 71260677 in words is "seventy-one million, two hundred sixty thousand, six hundred seventy-seven".

Divisors: 1 3 9 7917853 23753559 71260677