Search a number
-
+
49905275 = 527240739
BaseRepresentation
bin1011111001011…
…1111001111011
310110220110011112
42332113321323
5100233432100
64541350535
71144121300
oct276277173
9113813145
1049905275
1126196632
121486844b
13a454264
1468b10a7
1545abb35
hex2f97e7b

49905275 has 18 divisors (see below), whose sum is σ = 71987580. Its totient is φ = 34219920.

The previous prime is 49905253. The next prime is 49905311. The reversal of 49905275 is 57250994.

It is not a de Polignac number, because 49905275 - 28 = 49905019 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19145 + ... + 21594.

It is an arithmetic number, because the mean of its divisors is an integer number (3999310).

Almost surely, 249905275 is an apocalyptic number.

49905275 is a deficient number, since it is larger than the sum of its proper divisors (22082305).

49905275 is a wasteful number, since it uses less digits than its factorization.

49905275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40763 (or 40751 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 49905275 is about 7064.3665674992. The cubic root of 49905275 is about 368.1703562038.

The spelling of 49905275 in words is "forty-nine million, nine hundred five thousand, two hundred seventy-five".

Divisors: 1 5 7 25 35 49 175 245 1225 40739 203695 285173 1018475 1425865 1996211 7129325 9981055 49905275