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5345645 = 51069129
BaseRepresentation
bin10100011001000101101101
3101001120211212
4110121011231
52332030040
6310324205
763302654
oct24310555
911046755
105345645
113021298
121959665
131152206
149d219b
15708d65
hex51916d

5345645 has 4 divisors (see below), whose sum is σ = 6414780. Its totient is φ = 4276512.

The previous prime is 5345629. The next prime is 5345647. The reversal of 5345645 is 5465435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5465435 = 51093087.

It can be written as a sum of positive squares in 2 ways, for example, as 3740356 + 1605289 = 1934^2 + 1267^2 .

It is a cyclic number.

It is not a de Polignac number, because 5345645 - 24 = 5345629 is a prime.

It is a super-3 number, since 3×53456453 (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5345647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534560 + ... + 534569.

It is an arithmetic number, because the mean of its divisors is an integer number (1603695).

Almost surely, 25345645 is an apocalyptic number.

It is an amenable number.

5345645 is a deficient number, since it is larger than the sum of its proper divisors (1069135).

5345645 is a wasteful number, since it uses less digits than its factorization.

5345645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069134.

The product of its digits is 36000, while the sum is 32.

The square root of 5345645 is about 2312.0650942393. The cubic root of 5345645 is about 174.8504300242.

The spelling of 5345645 in words is "five million, three hundred forty-five thousand, six hundred forty-five".

Divisors: 1 5 1069129 5345645