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20934441 = 32111032053
BaseRepresentation
bin100111111011…
…0111100101001
31110101120122200
41033312330221
520324400231
62024410413
7342640233
oct117667451
943346580
1020934441
11108a93a0
127016a09
13444c858
142acd253
151c87be6
hex13f6f29

20934441 has 24 divisors (see below), whose sum is σ = 33324096. Its totient is φ = 12558240.

The previous prime is 20934437. The next prime is 20934461. The reversal of 20934441 is 14443902.

It is not a de Polignac number, because 20934441 - 22 = 20934437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20934401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9171 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (1388504).

Almost surely, 220934441 is an apocalyptic number.

It is an amenable number.

20934441 is a deficient number, since it is larger than the sum of its proper divisors (12389655).

20934441 is a wasteful number, since it uses less digits than its factorization.

20934441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20934441 is about 4575.4170301733. The cubic root of 20934441 is about 275.6050194534.

The spelling of 20934441 in words is "twenty million, nine hundred thirty-four thousand, four hundred forty-one".

Divisors: 1 3 9 11 33 99 103 309 927 1133 2053 3399 6159 10197 18477 22583 67749 203247 211459 634377 1903131 2326049 6978147 20934441