Search a number
-
+
49010013 = 3213418889
BaseRepresentation
bin1011101011110…
…1010101011101
310102012222002200
42322331111131
5100021310023
64510242113
71133402223
oct272752535
9112188080
1049010013
1125734a48
12144b6339
13a1cc910
14671ab13
154481743
hex2ebd55d

49010013 has 12 divisors (see below), whose sum is σ = 76237980. Its totient is φ = 30159936.

The previous prime is 49009999. The next prime is 49010041. The reversal of 49010013 is 31001094.

It can be written as a sum of positive squares in 2 ways, for example, as 5212089 + 43797924 = 2283^2 + 6618^2 .

It is not a de Polignac number, because 49010013 - 216 = 48944477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49010513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209328 + ... + 209561.

It is an arithmetic number, because the mean of its divisors is an integer number (6353165).

Almost surely, 249010013 is an apocalyptic number.

It is an amenable number.

49010013 is a deficient number, since it is larger than the sum of its proper divisors (27227967).

49010013 is a wasteful number, since it uses less digits than its factorization.

49010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418908 (or 418905 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 49010013 is about 7000.7151777515. The cubic root of 49010013 is about 365.9554949020.

The spelling of 49010013 in words is "forty-nine million, ten thousand, thirteen".

Divisors: 1 3 9 13 39 117 418889 1256667 3770001 5445557 16336671 49010013