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71357413 is a prime number
BaseRepresentation
bin1000100000011…
…01001111100101
311222021022222011
410100031033211
5121231414123
611025234221
71524346051
oct420151745
9158238864
1071357413
1137308976
121ba92971
1311a2562a
149696c61
1563e7e0d
hex440d3e5

71357413 has 2 divisors, whose sum is σ = 71357414. Its totient is φ = 71357412.

The previous prime is 71357411. The next prime is 71357417. The reversal of 71357413 is 31475317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68674369 + 2683044 = 8287^2 + 1638^2 .

It is an emirp because it is prime and its reverse (31475317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71357413 - 21 = 71357411 is a prime.

Together with 71357411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71357411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35678706 + 35678707.

It is an arithmetic number, because the mean of its divisors is an integer number (35678707).

Almost surely, 271357413 is an apocalyptic number.

It is an amenable number.

71357413 is a deficient number, since it is larger than the sum of its proper divisors (1).

71357413 is an equidigital number, since it uses as much as digits as its factorization.

71357413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 31.

The square root of 71357413 is about 8447.3317088889. The cubic root of 71357413 is about 414.7754395495.

The spelling of 71357413 in words is "seventy-one million, three hundred fifty-seven thousand, four hundred thirteen".