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49055911 = 472110391
BaseRepresentation
bin1011101100100…
…0100010100111
310102022022001121
42323020202213
5100024242121
64511234411
71133653102
oct273104247
9112268047
1049055911
1125766483
1214518a07
13a217788
14672d739
154490141
hex2ec88a7

49055911 has 4 divisors (see below), whose sum is σ = 49071024. Its totient is φ = 49040800.

The previous prime is 49055873. The next prime is 49055933. The reversal of 49055911 is 11955094.

It is a happy number.

49055911 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 an emirpimes, since its reverse is a distinct semiprime: 11955094 = 25977547.

It is a cyclic number.

It is not a de Polignac number, because 49055911 - 29 = 49055399 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 (49055971) 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, 475 + ... + 9916.

It is an arithmetic number, because the mean of its divisors is an integer number (12267756).

Almost surely, 249055911 is an apocalyptic number.

49055911 is a deficient number, since it is larger than the sum of its proper divisors (15113).

49055911 is a wasteful number, since it uses less digits than its factorization.

49055911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 49055911 is about 7003.9925042793. The cubic root of 49055911 is about 366.0696986714.

It can be divided in two parts, 4905 and 5911, that added together give a square (10816 = 1042).

The spelling of 49055911 in words is "forty-nine million, fifty-five thousand, nine hundred eleven".

Divisors: 1 4721 10391 49055911