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75473141 is a prime number
BaseRepresentation
bin1000111111110…
…10000011110101
312021000102200112
410133322003311
5123310120031
611253352405
71604340212
oct437720365
9167012615
1075473141
113966a0a7
1221338705
1312836a83
14a048b09
15695c62b
hex47fa0f5

75473141 has 2 divisors, whose sum is σ = 75473142. Its totient is φ = 75473140.

The previous prime is 75473137. The next prime is 75473171. The reversal of 75473141 is 14137457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69372241 + 6100900 = 8329^2 + 2470^2 .

It is a cyclic number.

It is not a de Polignac number, because 75473141 - 22 = 75473137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 75473098 and 75473107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75473131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37736570 + 37736571.

It is an arithmetic number, because the mean of its divisors is an integer number (37736571).

Almost surely, 275473141 is an apocalyptic number.

It is an amenable number.

75473141 is a deficient number, since it is larger than the sum of its proper divisors (1).

75473141 is an equidigital number, since it uses as much as digits as its factorization.

75473141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 75473141 is about 8687.5278992358. The cubic root of 75473141 is about 422.6012800623.

The spelling of 75473141 in words is "seventy-five million, four hundred seventy-three thousand, one hundred forty-one".