Search a number
-
+
3440130323 = 7491447189
BaseRepresentation
bin1100110100001100…
…0011100100010011
322212202012201122012
43031003003210103
524021133132243
61325205533135
7151151424320
oct31503034423
98782181565
103440130323
111505955913
128001141ab
1342a936a96
14248c55b47
15152032d18
hexcd0c3913

3440130323 has 4 divisors (see below), whose sum is σ = 3931577520. Its totient is φ = 2948683128.

The previous prime is 3440130277. The next prime is 3440130349. The reversal of 3440130323 is 3230310443.

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

It is a cyclic number.

It is not a de Polignac number, because 3440130323 - 212 = 3440126227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440139323) 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, 245723588 + ... + 245723601.

It is an arithmetic number, because the mean of its divisors is an integer number (982894380).

Almost surely, 23440130323 is an apocalyptic number.

3440130323 is a deficient number, since it is larger than the sum of its proper divisors (491447197).

3440130323 is an equidigital number, since it uses as much as digits as its factorization.

3440130323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491447196.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 3440130323 is about 58652.6241782923. The cubic root of 3440130323 is about 1509.5875257457.

Adding to 3440130323 its reverse (3230310443), we get a palindrome (6670440766).

The spelling of 3440130323 in words is "three billion, four hundred forty million, one hundred thirty thousand, three hundred twenty-three".

Divisors: 1 7 491447189 3440130323