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29022131 = 47960589
BaseRepresentation
bin110111010110…
…1011110110011
32000121110212202
41232231132303
524412202011
62514013415
7501453425
oct156553663
960543782
1029022131
1115422836
12987726b
136021b78
143bd6815
15283423b
hex1bad7b3

29022131 has 4 divisors (see below), whose sum is σ = 29083200. Its totient is φ = 28961064.

The previous prime is 29022079. The next prime is 29022157. The reversal of 29022131 is 13122092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29022131 - 210 = 29021107 is a prime.

It is a super-3 number, since 3×290221313 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29022431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29816 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (7270800).

Almost surely, 229022131 is an apocalyptic number.

29022131 is a deficient number, since it is larger than the sum of its proper divisors (61069).

29022131 is an equidigital number, since it uses as much as digits as its factorization.

29022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61068.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 29022131 is about 5387.2192270224. The cubic root of 29022131 is about 307.3098160799.

The spelling of 29022131 in words is "twenty-nine million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 479 60589 29022131