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19833130 = 2523531627
BaseRepresentation
bin100101110101…
…0000100101010
31101022121221101
41023222010222
520034130010
61545032014
7330402352
oct113520452
941277841
1019833130
1110216a19
12678560a
1341554a5
1428c3b62
151b1b73a
hex12ea12a

19833130 has 32 divisors (see below), whose sum is σ = 37977984. Its totient is φ = 7440576.

The previous prime is 19833127. The next prime is 19833137. The reversal of 19833130 is 3133891.

It is not an unprimeable number, because it can be changed into a prime (19833137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11377 + ... + 13003.

It is an arithmetic number, because the mean of its divisors is an integer number (1186812).

Almost surely, 219833130 is an apocalyptic number.

19833130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19833130 is a deficient number, since it is larger than the sum of its proper divisors (18144854).

19833130 is a wasteful number, since it uses less digits than its factorization.

19833130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 19833130 is about 4453.4402432277. The cubic root of 19833130 is about 270.6847275218.

The spelling of 19833130 in words is "nineteen million, eight hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 53 106 115 230 265 530 1219 1627 2438 3254 6095 8135 12190 16270 37421 74842 86231 172462 187105 374210 431155 862310 1983313 3966626 9916565 19833130