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5139149 = 31165779
BaseRepresentation
bin10011100110101011001101
3100200002120212
4103212223031
52303423044
6302052205
761452641
oct23465315
910602525
105139149
1129a0134
12187a065
1310ac222
1497ac21
156b7a9e
hex4e6acd

5139149 has 4 divisors (see below), whose sum is σ = 5304960. Its totient is φ = 4973340.

The previous prime is 5139137. The next prime is 5139161. The reversal of 5139149 is 9419315.

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 an interprime number because it is at equal distance from previous prime (5139137) and next prime (5139161).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5139149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139109) 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, 82859 + ... + 82920.

It is an arithmetic number, because the mean of its divisors is an integer number (1326240).

Almost surely, 25139149 is an apocalyptic number.

It is an amenable number.

5139149 is a deficient number, since it is larger than the sum of its proper divisors (165811).

5139149 is a wasteful number, since it uses less digits than its factorization.

5139149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165810.

The product of its digits is 4860, while the sum is 32.

The square root of 5139149 is about 2266.9691219776. The cubic root of 5139149 is about 172.5693790795.

The spelling of 5139149 in words is "five million, one hundred thirty-nine thousand, one hundred forty-nine".

Divisors: 1 31 165779 5139149