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29069397 = 3272292273
BaseRepresentation
bin110111011100…
…1000001010101
32000200212201100
41232321001111
524420210042
62515020313
7502041300
oct156710125
960625640
1029069397
11154552a5
12989a699
13603a536
143c09b37
15284324c
hex1bb9055

29069397 has 36 divisors (see below), whose sum is σ = 50551020. Its totient is φ = 16031232.

The previous prime is 29069389. The next prime is 29069407. The reversal of 29069397 is 79396092.

It can be written as a sum of positive squares in 2 ways, for example, as 21150801 + 7918596 = 4599^2 + 2814^2 .

It is not a de Polignac number, because 29069397 - 23 = 29069389 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29069347) 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 35 ways as a sum of consecutive naturals, for example, 11653 + ... + 13925.

It is an arithmetic number, because the mean of its divisors is an integer number (1404195).

Almost surely, 229069397 is an apocalyptic number.

It is an amenable number.

29069397 is a deficient number, since it is larger than the sum of its proper divisors (21481623).

29069397 is a wasteful number, since it uses less digits than its factorization.

29069397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322 (or 2312 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 29069397 is about 5391.6043066976. The cubic root of 29069397 is about 307.4765558172.

The spelling of 29069397 in words is "twenty-nine million, sixty-nine thousand, three hundred ninety-seven".

Divisors: 1 3 7 9 21 29 49 63 87 147 203 261 441 609 1421 1827 2273 4263 6819 12789 15911 20457 47733 65917 111377 143199 197751 334131 461419 593253 1002393 1384257 3229933 4152771 9689799 29069397