Search a number
-
+
130313644 = 2253614687
BaseRepresentation
bin1111100010001…
…10110110101100
3100002012121201021
413301012312230
5231330014034
620533023524
73141435106
oct761066654
9302177637
10130313644
116761662a
1237784ba4
1320cc8486
1413442576
15b6916b4
hex7c46dac

130313644 has 12 divisors (see below), whose sum is σ = 232352064. Its totient is φ = 63927344.

The previous prime is 130313641. The next prime is 130313731. The reversal of 130313644 is 446313031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130313641) 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, 307132 + ... + 307555.

It is an arithmetic number, because the mean of its divisors is an integer number (19362672).

Almost surely, 2130313644 is an apocalyptic number.

It is an amenable number.

130313644 is a deficient number, since it is larger than the sum of its proper divisors (102038420).

130313644 is a wasteful number, since it uses less digits than its factorization.

130313644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614744 (or 614742 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 130313644 is about 11415.5001642504. The cubic root of 130313644 is about 506.9867739016.

Adding to 130313644 its reverse (446313031), we get a palindrome (576626675).

The spelling of 130313644 in words is "one hundred thirty million, three hundred thirteen thousand, six hundred forty-four".

Divisors: 1 2 4 53 106 212 614687 1229374 2458748 32578411 65156822 130313644