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121049208 = 23337211437
BaseRepresentation
bin1110011011100…
…01000001111000
322102202221022000
413031301001320
5221442033313
620002301000
72666621100
oct715610170
9272687260
10121049208
1162369075
1234657760
131c103667
1412110200
15a961673
hex7371078

121049208 has 96 divisors (see below), whose sum is σ = 391179600. Its totient is φ = 34582464.

The previous prime is 121049177. The next prime is 121049263. The reversal of 121049208 is 802940121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4866 + ... + 16302.

Almost surely, 2121049208 is an apocalyptic number.

121049208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121049208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195589800).

121049208 is an abundant number, since it is smaller than the sum of its proper divisors (270130392).

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

121049208 is a wasteful number, since it uses less digits than its factorization.

121049208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11466 (or 11449 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 121049208 is about 11002.2364999122. The cubic root of 121049208 is about 494.6757840177.

Adding to 121049208 its reverse (802940121), we get a palindrome (923989329).

It can be divided in two parts, 12104 and 9208, that added together give a palindrome (21312).

The spelling of 121049208 in words is "one hundred twenty-one million, forty-nine thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 84 98 108 126 147 168 189 196 216 252 294 378 392 441 504 588 756 882 1176 1323 1512 1764 2646 3528 5292 10584 11437 22874 34311 45748 68622 80059 91496 102933 137244 160118 205866 240177 274488 308799 320236 411732 480354 560413 617598 640472 720531 823464 960708 1120826 1235196 1441062 1681239 1921416 2161593 2241652 2470392 2882124 3362478 4323186 4483304 5043717 5764248 6724956 8646372 10087434 13449912 15131151 17292744 20174868 30262302 40349736 60524604 121049208