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49889286 = 23271103379
BaseRepresentation
bin1011111001010…
…0000000000110
310110212122020100
42332110000012
5100232424121
64541144530
71144023546
oct276240006
9113778210
1049889286
1126185617
121485b146
13a449bb5
1468a9326
1545a7026
hex2f94006

49889286 has 48 divisors (see below), whose sum is σ = 110972160. Its totient is φ = 16193520.

The previous prime is 49889267. The next prime is 49889291. The reversal of 49889286 is 68298894.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131445 + ... + 131823.

It is an arithmetic number, because the mean of its divisors is an integer number (2311920).

Almost surely, 249889286 is an apocalyptic number.

49889286 is an abundant number, since it is smaller than the sum of its proper divisors (61082874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49889286 is a wasteful number, since it uses less digits than its factorization.

49889286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 558 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 49889286 is about 7063.2348113311. The cubic root of 49889286 is about 368.1310330086.

The spelling of 49889286 in words is "forty-nine million, eight hundred eighty-nine thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 71 103 142 206 213 309 379 426 618 639 758 927 1137 1278 1854 2274 3411 6822 7313 14626 21939 26909 39037 43878 53818 65817 78074 80727 117111 131634 161454 234222 242181 351333 484362 702666 2771627 5543254 8314881 16629762 24944643 49889286