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75565141 is a prime number
BaseRepresentation
bin1001000000100…
…00100001010101
312021012002212221
410200100201111
5123321041031
611255342341
71605202351
oct440204125
9167162787
1075565141
1139722233
12213819b1
1312869902
14a070461
156979a11
hex4810855

75565141 has 2 divisors, whose sum is σ = 75565142. Its totient is φ = 75565140.

The previous prime is 75565117. The next prime is 75565151. The reversal of 75565141 is 14156557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75325041 + 240100 = 8679^2 + 490^2 .

It is an emirp because it is prime and its reverse (14156557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75565141 - 217 = 75434069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75565097 and 75565106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75565151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37782570 + 37782571.

It is an arithmetic number, because the mean of its divisors is an integer number (37782571).

Almost surely, 275565141 is an apocalyptic number.

It is an amenable number.

75565141 is a deficient number, since it is larger than the sum of its proper divisors (1).

75565141 is an equidigital number, since it uses as much as digits as its factorization.

75565141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000, while the sum is 34.

The square root of 75565141 is about 8692.8212336387. The cubic root of 75565141 is about 422.7729240418.

The spelling of 75565141 in words is "seventy-five million, five hundred sixty-five thousand, one hundred forty-one".