Search a number
-
+
1301305424 = 2481331589
BaseRepresentation
bin100110110010000…
…0101100001010000
310100200122011110012
41031210011201100
510131113233144
6333043254052
744150625236
oct11544054120
93320564405
101301305424
1160860a031
1230397a328
131797a4213
14c4b80956
157939be9e
hex4d905850

1301305424 has 10 divisors (see below), whose sum is σ = 2521279290. Its totient is φ = 650652704.

The previous prime is 1301305393. The next prime is 1301305427. The reversal of 1301305424 is 4245031031.

It can be written as a sum of positive squares in only one way, i.e., 1250895424 + 50410000 = 35368^2 + 7100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1301305424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301305427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40665779 + ... + 40665810.

It is an arithmetic number, because the mean of its divisors is an integer number (252127929).

Almost surely, 21301305424 is an apocalyptic number.

It is an amenable number.

1301305424 is a deficient number, since it is larger than the sum of its proper divisors (1219973866).

1301305424 is an equidigital number, since it uses as much as digits as its factorization.

1301305424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81331597 (or 81331591 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1301305424 is about 36073.6111860180. The cubic root of 1301305424 is about 1091.7580763527.

Adding to 1301305424 its reverse (4245031031), we get a palindrome (5546336455).

The spelling of 1301305424 in words is "one billion, three hundred one million, three hundred five thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 81331589 162663178 325326356 650652712 1301305424