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5638097 = 37152381
BaseRepresentation
bin10101100000011111010001
3101121110000102
4111200133101
52420404342
6320502145
765631413
oct25403721
911543012
105638097
113200a93
121a7a955
13122536a
14a6a9b3
15765832
hex5607d1

5638097 has 4 divisors (see below), whose sum is σ = 5790516. Its totient is φ = 5485680.

The previous prime is 5638057. The next prime is 5638103. The reversal of 5638097 is 7908365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7908365 = 51581673.

It can be written as a sum of positive squares in 2 ways, for example, as 3444736 + 2193361 = 1856^2 + 1481^2 .

It is a cyclic number.

It is not a de Polignac number, because 5638097 - 212 = 5634001 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5638097.

It is not an unprimeable number, because it can be changed into a prime (5638037) 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, 76154 + ... + 76227.

It is an arithmetic number, because the mean of its divisors is an integer number (1447629).

Almost surely, 25638097 is an apocalyptic number.

It is an amenable number.

5638097 is a deficient number, since it is larger than the sum of its proper divisors (152419).

5638097 is a wasteful number, since it uses less digits than its factorization.

5638097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152418.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 5638097 is about 2374.4677298292. The cubic root of 5638097 is about 177.9825867745.

The spelling of 5638097 in words is "five million, six hundred thirty-eight thousand, ninety-seven".

Divisors: 1 37 152381 5638097