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27839041 = 41216561
BaseRepresentation
bin110101000110…
…0101001000001
31221101100222121
41222030221001
524111322131
62432404241
7455425246
oct152145101
957340877
1027839041
111479497a
1293a6681
1359c9509
1439a95cd
15269d911
hex1a8ca41

27839041 has 6 divisors (see below), whose sum is σ = 28536326. Its totient is φ = 27158400.

The previous prime is 27839027. The next prime is 27839051. The reversal of 27839041 is 14093872.

It can be written as a sum of positive squares in 3 ways, for example, as 5475600 + 22363441 = 2340^2 + 4729^2 .

It is not a de Polignac number, because 27839041 - 27 = 27838913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27838988 and 27839006.

It is not an unprimeable number, because it can be changed into a prime (27839051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6600 + ... + 9961.

Almost surely, 227839041 is an apocalyptic number.

It is an amenable number.

27839041 is a deficient number, since it is larger than the sum of its proper divisors (697285).

27839041 is an equidigital number, since it uses as much as digits as its factorization.

27839041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16643 (or 16602 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 27839041 is about 5276.2715055236. The cubic root of 27839041 is about 303.0759139847.

The spelling of 27839041 in words is "twenty-seven million, eight hundred thirty-nine thousand, forty-one".

Divisors: 1 41 1681 16561 679001 27839041