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49104049 = 471044767
BaseRepresentation
bin1011101101010…
…0010010110001
310102101202002111
42323110102301
5100032312144
64512245321
71134243331
oct273242261
9112352074
1049104049
1125799665
1214540841
13a233667
1467430c1
15449e534
hex2ed44b1

49104049 has 4 divisors (see below), whose sum is σ = 50148864. Its totient is φ = 48059236.

The previous prime is 49104043. The next prime is 49104053. The reversal of 49104049 is 94040194.

49104049 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, and also an emirpimes, since its reverse is a distinct semiprime: 94040194 = 247020097.

It is a cyclic number.

It is not a de Polignac number, because 49104049 - 213 = 49095857 is a prime.

It is a super-2 number, since 2×491040492 = 4822415256388802, which contains 22 as substring.

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 49104049.

It is not an unprimeable number, because it can be changed into a prime (49104043) 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, 522337 + ... + 522430.

It is an arithmetic number, because the mean of its divisors is an integer number (12537216).

Almost surely, 249104049 is an apocalyptic number.

It is an amenable number.

49104049 is a deficient number, since it is larger than the sum of its proper divisors (1044815).

49104049 is a wasteful number, since it uses less digits than its factorization.

49104049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044814.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 49104049 is about 7007.4281302058. The cubic root of 49104049 is about 366.1893995181.

The spelling of 49104049 in words is "forty-nine million, one hundred four thousand, forty-nine".

Divisors: 1 47 1044767 49104049