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49107045 = 3513251831
BaseRepresentation
bin1011101101010…
…1000001100101
310102101220012110
42323111001211
5100032411140
64512311233
71134255141
oct273250145
9112356173
1049107045
11257a0939
1214542519
13a234b30
146744221
1544a0380
hex2ed5065

49107045 has 16 divisors (see below), whose sum is σ = 84615552. Its totient is φ = 24175680.

The previous prime is 49107043. The next prime is 49107049. The reversal of 49107045 is 54070194.

It is a happy number.

49107045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49107045 - 21 = 49107043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49107043) 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 15 ways as a sum of consecutive naturals, for example, 125721 + ... + 126110.

It is an arithmetic number, because the mean of its divisors is an integer number (5288472).

Almost surely, 249107045 is an apocalyptic number.

It is an amenable number.

49107045 is a deficient number, since it is larger than the sum of its proper divisors (35508507).

49107045 is a wasteful number, since it uses less digits than its factorization.

49107045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251852.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 49107045 is about 7007.6419000974. The cubic root of 49107045 is about 366.1968468411.

The spelling of 49107045 in words is "forty-nine million, one hundred seven thousand, forty-five".

Divisors: 1 3 5 13 15 39 65 195 251831 755493 1259155 3273803 3777465 9821409 16369015 49107045