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29211093 = 323787721
BaseRepresentation
bin110111101101…
…1100111010101
32000222002002100
41233123213111
524434223333
62522032313
7503201352
oct157334725
960862070
1029211093
11155417aa
129948699
136089b92
143c45629
152870213
hex1bdb9d5

29211093 has 12 divisors (see below), whose sum is σ = 43334668. Its totient is φ = 18947520.

The previous prime is 29211089. The next prime is 29211121. The reversal of 29211093 is 39011292.

It can be written as a sum of positive squares in 2 ways, for example, as 18301284 + 10909809 = 4278^2 + 3303^2 .

It is not a de Polignac number, because 29211093 - 22 = 29211089 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 (29211043) 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 11 ways as a sum of consecutive naturals, for example, 43528 + ... + 44193.

Almost surely, 229211093 is an apocalyptic number.

It is an amenable number.

29211093 is a deficient number, since it is larger than the sum of its proper divisors (14123575).

29211093 is a wasteful number, since it uses less digits than its factorization.

29211093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87764 (or 87761 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 29211093 is about 5404.7287628520. The cubic root of 29211093 is about 307.9753346470.

The spelling of 29211093 in words is "twenty-nine million, two hundred eleven thousand, ninety-three".

Divisors: 1 3 9 37 111 333 87721 263163 789489 3245677 9737031 29211093