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45717589 is a prime number
BaseRepresentation
bin1010111001100…
…1100001010101
310012000200202001
42232121201111
543200430324
64311515301
71063410301
oct256314125
9105020661
1045717589
1123896335
1213388b31
139619138
146100d01
154030e44
hex2b99855

45717589 has 2 divisors, whose sum is σ = 45717590. Its totient is φ = 45717588.

The previous prime is 45717577. The next prime is 45717613. The reversal of 45717589 is 98571754.

It is a happy number.

45717589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43125489 + 2592100 = 6567^2 + 1610^2 .

It is a cyclic number.

It is not a de Polignac number, because 45717589 - 27 = 45717461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45717689) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22858794 + 22858795.

It is an arithmetic number, because the mean of its divisors is an integer number (22858795).

Almost surely, 245717589 is an apocalyptic number.

It is an amenable number.

45717589 is a deficient number, since it is larger than the sum of its proper divisors (1).

45717589 is an equidigital number, since it uses as much as digits as its factorization.

45717589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 46.

The square root of 45717589 is about 6761.4783146883. The cubic root of 45717589 is about 357.5700262193.

The spelling of 45717589 in words is "forty-five million, seven hundred seventeen thousand, five hundred eighty-nine".