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49886018 = 2721339157
BaseRepresentation
bin1011111001001…
…1001101000010
310110212110202022
42332103031002
5100232323033
64541121442
71144011200
oct276231502
9113773668
1049886018
1126183116
1214859282
13a448570
1468a8070
1545a6098
hex2f93342

49886018 has 24 divisors (see below), whose sum is σ = 93744252. Its totient is φ = 19734624.

The previous prime is 49886017. The next prime is 49886029. The reversal of 49886018 is 81068894.

It is a happy number.

49886018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49885969 + 49 = 7063^2 + 7^2 .

It is a super-2 number, since 2×498860182 = 4977229583792648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49886018.

It is not an unprimeable number, because it can be changed into a prime (49886017) 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 11 ways as a sum of consecutive naturals, for example, 18305 + ... + 20852.

Almost surely, 249886018 is an apocalyptic number.

49886018 is a deficient number, since it is larger than the sum of its proper divisors (43858234).

49886018 is a wasteful number, since it uses less digits than its factorization.

49886018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39186 (or 39179 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 49886018 is about 7063.0034687801. The cubic root of 49886018 is about 368.1229946862.

The spelling of 49886018 in words is "forty-nine million, eight hundred eighty-six thousand, eighteen".

Divisors: 1 2 7 13 14 26 49 91 98 182 637 1274 39157 78314 274099 509041 548198 1018082 1918693 3563287 3837386 7126574 24943009 49886018