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75133117 is a prime number
BaseRepresentation
bin1000111101001…
…11000010111101
312020101011021001
410132213002331
5123213224432
611242210301
71601422663
oct436470275
9166334231
1075133117
1139457694
12211b3991
1312748087
149d9ac33
1568e19e7
hex47a70bd

75133117 has 2 divisors, whose sum is σ = 75133118. Its totient is φ = 75133116.

The previous prime is 75133109. The next prime is 75133127. The reversal of 75133117 is 71133157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73719396 + 1413721 = 8586^2 + 1189^2 .

It is an emirp because it is prime and its reverse (71133157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75133117 - 23 = 75133109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75133127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37566558 + 37566559.

It is an arithmetic number, because the mean of its divisors is an integer number (37566559).

Almost surely, 275133117 is an apocalyptic number.

It is an amenable number.

75133117 is a deficient number, since it is larger than the sum of its proper divisors (1).

75133117 is an equidigital number, since it uses as much as digits as its factorization.

75133117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2205, while the sum is 28.

The square root of 75133117 is about 8667.9361442041. The cubic root of 75133117 is about 421.9656856865.

The spelling of 75133117 in words is "seventy-five million, one hundred thirty-three thousand, one hundred seventeen".