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29906842 = 2717125659
BaseRepresentation
bin111001000010…
…1011110011010
32002021102110211
41302011132122
530124004332
62545001334
7512126650
oct162053632
962242424
1029906842
11159774a9
12a02324a
136271774
143d86dd0
15295b447
hex1c8579a

29906842 has 16 divisors (see below), whose sum is σ = 54285120. Its totient is φ = 12063168.

The previous prime is 29906839. The next prime is 29906867. The reversal of 29906842 is 24860992.

It is a junction number, because it is equal to n+sod(n) for n = 29906795 and 29906804.

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 7 ways as a sum of consecutive naturals, for example, 62592 + ... + 63067.

It is an arithmetic number, because the mean of its divisors is an integer number (3392820).

Almost surely, 229906842 is an apocalyptic number.

29906842 is a deficient number, since it is larger than the sum of its proper divisors (24378278).

29906842 is a wasteful number, since it uses less digits than its factorization.

29906842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125685.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 29906842 is about 5468.7148398870. The cubic root of 29906842 is about 310.4012909240.

The spelling of 29906842 in words is "twenty-nine million, nine hundred six thousand, eight hundred forty-two".

Divisors: 1 2 7 14 17 34 119 238 125659 251318 879613 1759226 2136203 4272406 14953421 29906842