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71372053 is a prime number
BaseRepresentation
bin1000100000100…
…00110100010101
311222022002001101
410100100310111
5121232401203
611025430101
71524436534
oct420206425
9158262041
1071372053
1137318975
121ba9b331
1311a2c1ac
14969c31b
1563ec41d
hex4410d15

71372053 has 2 divisors, whose sum is σ = 71372054. Its totient is φ = 71372052.

The previous prime is 71372051. The next prime is 71372071. The reversal of 71372053 is 35027317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63632529 + 7739524 = 7977^2 + 2782^2 .

It is a cyclic number.

It is not a de Polignac number, because 71372053 - 21 = 71372051 is a prime.

Together with 71372051, 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 (71372051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35686026 + 35686027.

It is an arithmetic number, because the mean of its divisors is an integer number (35686027).

Almost surely, 271372053 is an apocalyptic number.

It is an amenable number.

71372053 is a deficient number, since it is larger than the sum of its proper divisors (1).

71372053 is an equidigital number, since it uses as much as digits as its factorization.

71372053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 71372053 is about 8448.1982102695. The cubic root of 71372053 is about 414.8038033263.

The spelling of 71372053 in words is "seventy-one million, three hundred seventy-two thousand, fifty-three".