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5188949 = 6777447
BaseRepresentation
bin10011110010110101010101
3100202121220022
4103302311111
52312021244
6303114525
762051063
oct23626525
910677808
105188949
112a24597
1218a2a45
1310c8aac
14991033
156c76ee
hex4f2d55

5188949 has 4 divisors (see below), whose sum is σ = 5266464. Its totient is φ = 5111436.

The previous prime is 5188943. The next prime is 5188951. The reversal of 5188949 is 9498815.

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.

It is a cyclic number.

It is not a de Polignac number, because 5188949 - 24 = 5188933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5188943) 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 in 3 ways as a sum of consecutive naturals, for example, 38657 + ... + 38790.

It is an arithmetic number, because the mean of its divisors is an integer number (1316616).

Almost surely, 25188949 is an apocalyptic number.

It is an amenable number.

5188949 is a deficient number, since it is larger than the sum of its proper divisors (77515).

5188949 is an equidigital number, since it uses as much as digits as its factorization.

5188949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77514.

The product of its digits is 103680, while the sum is 44.

The square root of 5188949 is about 2277.9264694015. The cubic root of 5188949 is about 173.1250057127.

The spelling of 5188949 in words is "five million, one hundred eighty-eight thousand, nine hundred forty-nine".

Divisors: 1 67 77447 5188949