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313441 = 3110111
BaseRepresentation
bin1001100100001100001
3120220221221
41030201201
540012231
610415041
72443552
oct1144141
9526857
10313441
111a4547
12131481
13ac88b
1482329
1562d11
hex4c861

313441 has 4 divisors (see below), whose sum is σ = 323584. Its totient is φ = 303300.

The previous prime is 313409. The next prime is 313471. The reversal of 313441 is 144313.

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 313441 - 25 = 313409 is a prime.

It is an Ulam number.

It is a Duffinian number.

313441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (313471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025 + ... + 5086.

It is an arithmetic number, because the mean of its divisors is an integer number (80896).

2313441 is an apocalyptic number.

313441 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

313441 is a deficient number, since it is larger than the sum of its proper divisors (10143).

313441 is a wasteful number, since it uses less digits than its factorization.

313441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142.

The product of its digits is 144, while the sum is 16.

The square root of 313441 is about 559.8580177152. The cubic root of 313441 is about 67.9284859470.

Adding to 313441 its reverse (144313), we get a palindrome (457754).

The spelling of 313441 in words is "three hundred thirteen thousand, four hundred forty-one".

Divisors: 1 31 10111 313441