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49889245 = 574333149
BaseRepresentation
bin1011111001001…
…1111111011101
310110212122011211
42332103333131
5100232423440
64541144421
71144023460
oct276237735
9113778154
1049889245
112618558a
121485b111
13a449b83
1468a92d7
1545a6eea
hex2f93fdd

49889245 has 16 divisors (see below), whose sum is σ = 70012800. Its totient is φ = 33413184.

The previous prime is 49889243. The next prime is 49889249. The reversal of 49889245 is 54298894.

It is not a de Polignac number, because 49889245 - 21 = 49889243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49889243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15070 + ... + 18079.

It is an arithmetic number, because the mean of its divisors is an integer number (4375800).

Almost surely, 249889245 is an apocalyptic number.

It is an amenable number.

49889245 is a deficient number, since it is larger than the sum of its proper divisors (20123555).

49889245 is a wasteful number, since it uses less digits than its factorization.

49889245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33204.

The product of its digits is 829440, while the sum is 49.

The square root of 49889245 is about 7063.2319089776. The cubic root of 49889245 is about 368.1309321628.

The spelling of 49889245 in words is "forty-nine million, eight hundred eighty-nine thousand, two hundred forty-five".

Divisors: 1 5 7 35 43 215 301 1505 33149 165745 232043 1160215 1425407 7127035 9977849 49889245