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49926913 = 431161091
BaseRepresentation
bin1011111001110…
…1001100000001
310110221112211221
42332131030001
5100240130123
64542035041
71144241341
oct276351401
9113845757
1049926913
1126200913
1214878a81
13a46106a
1468b8d21
1545b325d
hex2f9d301

49926913 has 4 divisors (see below), whose sum is σ = 51088048. Its totient is φ = 48765780.

The previous prime is 49926871. The next prime is 49926917. The reversal of 49926913 is 31962994.

49926913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49926913 - 213 = 49918721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 1161091 = 49926913 / (4 + 9 + 9 + 2 + 6 + 9 + 1 + 3).

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 49926913.

It is not an unprimeable number, because it can be changed into a prime (49926917) 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, 580503 + ... + 580588.

It is an arithmetic number, because the mean of its divisors is an integer number (12772012).

Almost surely, 249926913 is an apocalyptic number.

49926913 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

49926913 is a deficient number, since it is larger than the sum of its proper divisors (1161135).

49926913 is a wasteful number, since it uses less digits than its factorization.

49926913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161134.

The product of its digits is 104976, while the sum is 43.

The square root of 49926913 is about 7065.8978905727. The cubic root of 49926913 is about 368.2235591238.

The spelling of 49926913 in words is "forty-nine million, nine hundred twenty-six thousand, nine hundred thirteen".

Divisors: 1 43 1161091 49926913