Search a number
-
+
27940353 = 371330493
BaseRepresentation
bin110101010010…
…1011000000001
31221120111221220
41222211120001
524123042403
62434505253
7456326520
oct152453001
957514856
1027940353
1114854001
129435229
135a3366c
1439d44b7
1526bd953
hex1aa5601

27940353 has 8 divisors (see below), whose sum is σ = 42575808. Its totient is φ = 15965904.

The previous prime is 27940351. The next prime is 27940361. The reversal of 27940353 is 35304972.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27940353 - 21 = 27940351 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27940351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665226 + ... + 665267.

It is an arithmetic number, because the mean of its divisors is an integer number (5321976).

Almost surely, 227940353 is an apocalyptic number.

It is an amenable number.

27940353 is a deficient number, since it is larger than the sum of its proper divisors (14635455).

27940353 is a wasteful number, since it uses less digits than its factorization.

27940353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330503.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 27940353 is about 5285.8635056157. The cubic root of 27940353 is about 303.4431207738.

The spelling of 27940353 in words is "twenty-seven million, nine hundred forty thousand, three hundred fifty-three".

Divisors: 1 3 7 21 1330493 3991479 9313451 27940353