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107575561 is a prime number
BaseRepresentation
bin1100110100101…
…11100100001001
321111102101221001
412122113210021
5210014404221
614401415001
72444243242
oct632274411
9244371831
10107575561
11557a6125
123003a461
13193969a2
1410403cc9
15969e391
hex6697909

107575561 has 2 divisors, whose sum is σ = 107575562. Its totient is φ = 107575560.

The previous prime is 107575499. The next prime is 107575591. The reversal of 107575561 is 165575701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94478400 + 13097161 = 9720^2 + 3619^2 .

It is an emirp because it is prime and its reverse (165575701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107575561 - 29 = 107575049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 107575561.

It is not a weakly prime, because it can be changed into another prime (107575591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53787780 + 53787781.

It is an arithmetic number, because the mean of its divisors is an integer number (53787781).

Almost surely, 2107575561 is an apocalyptic number.

It is an amenable number.

107575561 is a deficient number, since it is larger than the sum of its proper divisors (1).

107575561 is an equidigital number, since it uses as much as digits as its factorization.

107575561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 37.

The square root of 107575561 is about 10371.8639115638. The cubic root of 107575561 is about 475.5956494200.

It can be divided in two parts, 1075 and 75561, that added together give a triangular number (76636 = T391).

The spelling of 107575561 in words is "one hundred seven million, five hundred seventy-five thousand, five hundred sixty-one".