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27940141 = 50355547
BaseRepresentation
bin110101010010…
…1010100101101
31221120111200001
41222211110231
524123041031
62434504301
7456326065
oct152452455
957514601
1027940141
1114853929
129435091
135a33538
1439d43a5
1526bd861
hex1aa552d

27940141 has 4 divisors (see below), whose sum is σ = 27996192. Its totient is φ = 27884092.

The previous prime is 27940117. The next prime is 27940151. The reversal of 27940141 is 14104972.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27940141 - 25 = 27940109 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 (27940151) 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 3 ways as a sum of consecutive naturals, for example, 27271 + ... + 28276.

It is an arithmetic number, because the mean of its divisors is an integer number (6999048).

Almost surely, 227940141 is an apocalyptic number.

It is an amenable number.

27940141 is a deficient number, since it is larger than the sum of its proper divisors (56051).

27940141 is an equidigital number, since it uses as much as digits as its factorization.

27940141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56050.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 27940141 is about 5285.8434520897. The cubic root of 27940141 is about 303.4423533043.

The spelling of 27940141 in words is "twenty-seven million, nine hundred forty thousand, one hundred forty-one".

Divisors: 1 503 55547 27940141