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29140855 = 521532707
BaseRepresentation
bin110111100101…
…0011101110111
32000211111201221
41233022131313
524430001410
62520331211
7502456522
oct157123567
960744657
1029140855
11154a3a57
129913b07
136063c13
143c27bb9
1528594da
hex1bca777

29140855 has 8 divisors (see below), whose sum is σ = 34998192. Its totient is φ = 23293248.

The previous prime is 29140847. The next prime is 29140871. The reversal of 29140855 is 55804192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29140855 - 23 = 29140847 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 29140855.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9412 + ... + 12118.

It is an arithmetic number, because the mean of its divisors is an integer number (4374774).

Almost surely, 229140855 is an apocalyptic number.

29140855 is a deficient number, since it is larger than the sum of its proper divisors (5857337).

29140855 is a wasteful number, since it uses less digits than its factorization.

29140855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 29140855 is about 5398.2270237551. The cubic root of 29140855 is about 307.7282945649.

The spelling of 29140855 in words is "twenty-nine million, one hundred forty thousand, eight hundred fifty-five".

Divisors: 1 5 2153 2707 10765 13535 5828171 29140855