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29868986 = 275936161
BaseRepresentation
bin111000111110…
…0001110111010
32002012111112202
41301330032322
530121301421
62544110202
7511611410
oct161741672
962174482
1029868986
1115951014
12a005362
13625a474
143d772b0
15295010b
hex1c7c3ba

29868986 has 16 divisors (see below), whose sum is σ = 52073280. Its totient is φ = 12583680.

The previous prime is 29868977. The next prime is 29868989. The reversal of 29868986 is 68986892.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29868989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17255 + ... + 18906.

It is an arithmetic number, because the mean of its divisors is an integer number (3254580).

Almost surely, 229868986 is an apocalyptic number.

29868986 is a deficient number, since it is larger than the sum of its proper divisors (22204294).

29868986 is a wasteful number, since it uses less digits than its factorization.

29868986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36229.

The product of its digits is 2985984, while the sum is 56.

The square root of 29868986 is about 5465.2526016644. The cubic root of 29868986 is about 310.2702672528.

The spelling of 29868986 in words is "twenty-nine million, eight hundred sixty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 59 118 413 826 36161 72322 253127 506254 2133499 4266998 14934493 29868986