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29041321 = 1723172
BaseRepresentation
bin110111011001…
…0001010101001
32000122110012111
41232302022221
524413310241
62514242321
7501563401
oct156621251
960573174
1029041321
11154361a1
1298863a1
13602a81a
143bdd801
152839c81
hex1bb22a9

29041321 has 9 divisors (see below), whose sum is σ = 30947749. Its totient is φ = 27246784.

The previous prime is 29041303. The next prime is 29041333. The reversal of 29041321 is 12314092.

The square root of 29041321 is 5389.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1792921 + 27248400 = 1339^2 + 5220^2 .

It is not a de Polignac number, because 29041321 - 27 = 29041193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29041292 and 29041301.

It is not an unprimeable number, because it can be changed into a prime (29041391) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 91455 + ... + 91771.

Almost surely, 229041321 is an apocalyptic number.

29041321 is the 5389-th square number.

29041321 is the 2695-th centered octagonal number.

It is an amenable number.

29041321 is a deficient number, since it is larger than the sum of its proper divisors (1906428).

29041321 is an frugal number, since it uses more digits than its factorization.

29041321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The cubic root of 29041321 is about 307.3775342413.

It can be divided in two parts, 2904 and 1321, that added together give a square (4225 = 652).

The spelling of 29041321 in words is "twenty-nine million, forty-one thousand, three hundred twenty-one".

Divisors: 1 17 289 317 5389 91613 100489 1708313 29041321