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45787669 is a prime number
BaseRepresentation
bin1010111010101…
…0101000010101
310012011020212121
42232222220111
543210201134
64313215541
71064121514
oct256525025
9105136777
1045787669
1123933a54
12134015b1
139641cc5
14611c67b
154046ab4
hex2baaa15

45787669 has 2 divisors, whose sum is σ = 45787670. Its totient is φ = 45787668.

The previous prime is 45787667. The next prime is 45787699. The reversal of 45787669 is 96678754.

It is a happy number.

45787669 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., 34963569 + 10824100 = 5913^2 + 3290^2 .

It is a cyclic number.

It is not a de Polignac number, because 45787669 - 21 = 45787667 is a prime.

It is a super-2 number, since 2×457876692 = 4193021264907122, which contains 22 as substring.

Together with 45787667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45787661) 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, 22893834 + 22893835.

It is an arithmetic number, because the mean of its divisors is an integer number (22893835).

Almost surely, 245787669 is an apocalyptic number.

It is an amenable number.

45787669 is a deficient number, since it is larger than the sum of its proper divisors (1).

45787669 is an equidigital number, since it uses as much as digits as its factorization.

45787669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The square root of 45787669 is about 6766.6586288951. The cubic root of 45787669 is about 357.7526380244.

The spelling of 45787669 in words is "forty-five million, seven hundred eighty-seven thousand, six hundred sixty-nine".