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29160421 = 196772267
BaseRepresentation
bin110111100111…
…1001111100101
32000212111120121
41233033033211
524431113141
62521001541
7502600543
oct157171745
960774517
1029160421
1115507724
1299232b1
13606cab4
143c30d93
1528601d1
hex1bcf3e5

29160421 has 8 divisors (see below), whose sum is σ = 30754080. Its totient is φ = 27572688.

The previous prime is 29160409. The next prime is 29160437. The reversal of 29160421 is 12406192.

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 29160421 - 29 = 29159909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29160121) 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 7 ways as a sum of consecutive naturals, for example, 11730 + ... + 13996.

It is an arithmetic number, because the mean of its divisors is an integer number (3844260).

Almost surely, 229160421 is an apocalyptic number.

It is an amenable number.

29160421 is a deficient number, since it is larger than the sum of its proper divisors (1593659).

29160421 is a wasteful number, since it uses less digits than its factorization.

29160421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 29160421 is about 5400.0389813408. The cubic root of 29160421 is about 307.7971516701.

The spelling of 29160421 in words is "twenty-nine million, one hundred sixty thousand, four hundred twenty-one".

Divisors: 1 19 677 2267 12863 43073 1534759 29160421