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71405027 is a prime number
BaseRepresentation
bin1000100000110…
…00110111100011
311222100202021122
410100120313203
5121234430102
611030242455
71524634631
oct420306743
9158322248
1071405027
1137340721
121bab642b
1311a411c5
1496aa351
1564070a2
hex4418de3

71405027 has 2 divisors, whose sum is σ = 71405028. Its totient is φ = 71405026.

The previous prime is 71405017. The next prime is 71405053. The reversal of 71405027 is 72050417.

It is an a-pointer prime, because the next prime (71405053) can be obtained adding 71405027 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71405027 - 24 = 71405011 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71404987 and 71405005.

It is not a weakly prime, because it can be changed into another prime (71405017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35702513 + 35702514.

It is an arithmetic number, because the mean of its divisors is an integer number (35702514).

Almost surely, 271405027 is an apocalyptic number.

71405027 is a deficient number, since it is larger than the sum of its proper divisors (1).

71405027 is an equidigital number, since it uses as much as digits as its factorization.

71405027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 71405027 is about 8450.1495253043. The cubic root of 71405027 is about 414.8676734930.

It can be divided in two parts, 7140 and 5027, that added together give a cube (12167 = 233).

The spelling of 71405027 in words is "seventy-one million, four hundred five thousand, twenty-seven".