Search a number
-
+
11310401 = 73154937
BaseRepresentation
bin101011001001…
…010101000001
3210021121221202
4223021111001
510343413101
61042230545
7165064634
oct53112501
923247852
1011310401
116425743
123955455
13246015b
141705c1b
15ed636b
hexac9541

11310401 has 4 divisors (see below), whose sum is σ = 11465412. Its totient is φ = 11155392.

The previous prime is 11310391. The next prime is 11310413. The reversal of 11310401 is 10401311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2637376 + 8673025 = 1624^2 + 2945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11310401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11310421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77396 + ... + 77541.

It is an arithmetic number, because the mean of its divisors is an integer number (2866353).

Almost surely, 211310401 is an apocalyptic number.

It is an amenable number.

11310401 is a deficient number, since it is larger than the sum of its proper divisors (155011).

11310401 is an equidigital number, since it uses as much as digits as its factorization.

11310401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155010.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11310401 is about 3363.0939624102. The cubic root of 11310401 is about 224.4705311657.

Adding to 11310401 its reverse (10401311), we get a palindrome (21711712).

It can be divided in two parts, 11310 and 401, that added together give a palindrome (11711).

The spelling of 11310401 in words is "eleven million, three hundred ten thousand, four hundred one".

Divisors: 1 73 154937 11310401