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5081009 = 43118163
BaseRepresentation
bin10011011000011110110001
3100120010211112
4103120132301
52300043014
6300523105
761121303
oct23303661
910503745
105081009
11296048a
121850495
13108b91b
14963973
156a573e
hex4d87b1

5081009 has 4 divisors (see below), whose sum is σ = 5199216. Its totient is φ = 4962804.

The previous prime is 5080997. The next prime is 5081017. The reversal of 5081009 is 9001805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9001805 = 51800361.

It is a cyclic number.

It is not a de Polignac number, because 5081009 - 212 = 5076913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5041009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59039 + ... + 59124.

It is an arithmetic number, because the mean of its divisors is an integer number (1299804).

Almost surely, 25081009 is an apocalyptic number.

It is an amenable number.

5081009 is a deficient number, since it is larger than the sum of its proper divisors (118207).

5081009 is a wasteful number, since it uses less digits than its factorization.

5081009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118206.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 5081009 is about 2254.1093584829. The cubic root of 5081009 is about 171.9161412918.

The spelling of 5081009 in words is "five million, eighty-one thousand, nine".

Divisors: 1 43 118163 5081009