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194009827 = 1124139107
BaseRepresentation
bin10111001000001…
…01101011100011
3111112001201110011
423210011223203
5344131303302
631130145351
74544025214
oct1344055343
9445051404
10194009827
119a571500
1254b82257
133126a91b
141baa340b
15120745d7
hexb905ae3

194009827 has 12 divisors (see below), whose sum is σ = 218457288. Its totient is φ = 172066400.

The previous prime is 194009819. The next prime is 194009857. The reversal of 194009827 is 728900491.

194009827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194009827 - 23 = 194009819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194009827.

It is not an unprimeable number, because it can be changed into a prime (194009857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14593 + ... + 24514.

It is an arithmetic number, because the mean of its divisors is an integer number (18204774).

Almost surely, 2194009827 is an apocalyptic number.

194009827 is a deficient number, since it is larger than the sum of its proper divisors (24447461).

194009827 is a wasteful number, since it uses less digits than its factorization.

194009827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39170 (or 39159 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 194009827 is about 13928.7410414581. The cubic root of 194009827 is about 578.9058116312.

The spelling of 194009827 in words is "one hundred ninety-four million, nine thousand, eight hundred twenty-seven".

Divisors: 1 11 41 121 451 4961 39107 430177 1603387 4731947 17637257 194009827