Search a number
-
+
27313901 = 43635207
BaseRepresentation
bin110100000110…
…0011011101101
31220101200121222
41220030123231
523443021101
62413233125
7451110236
oct150143355
956350558
1027313901
111446637a
1291927a5
135874494
1438b008d
1525e801b
hex1a0c6ed

27313901 has 4 divisors (see below), whose sum is σ = 27949152. Its totient is φ = 26678652.

The previous prime is 27313877. The next prime is 27313927. The reversal of 27313901 is 10931372.

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 27313901 - 218 = 27051757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27313931) 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, 317561 + ... + 317646.

It is an arithmetic number, because the mean of its divisors is an integer number (6987288).

Almost surely, 227313901 is an apocalyptic number.

It is an amenable number.

27313901 is a deficient number, since it is larger than the sum of its proper divisors (635251).

27313901 is an equidigital number, since it uses as much as digits as its factorization.

27313901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635250.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 27313901 is about 5226.2702762104. The cubic root of 27313901 is about 301.1581197388.

It can be divided in two parts, 273 and 13901, that multiplied together give a palindrome (3794973).

The spelling of 27313901 in words is "twenty-seven million, three hundred thirteen thousand, nine hundred one".

Divisors: 1 43 635207 27313901