Search a number
-
+
1300253443 = 73142312517
BaseRepresentation
bin100110110000000…
…0100101100000011
310100121122201101221
41031200010230003
510130331102233
6333004535511
744135654236
oct11540045403
93317581357
101300253443
11607a60725
12303551597
131794c6448
14c498941d
157924042d
hex4d804b03

1300253443 has 8 divisors (see below), whose sum is σ = 1319096768. Its totient is φ = 1281438144.

The previous prime is 1300253441. The next prime is 1300253473. The reversal of 1300253443 is 3443520031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1300253443 - 21 = 1300253441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300253441) 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 in 7 ways as a sum of consecutive naturals, for example, 97621 + ... + 110137.

It is an arithmetic number, because the mean of its divisors is an integer number (164887096).

Almost surely, 21300253443 is an apocalyptic number.

1300253443 is a deficient number, since it is larger than the sum of its proper divisors (18843325).

1300253443 is a wasteful number, since it uses less digits than its factorization.

1300253443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1300253443 is about 36059.0272054031. The cubic root of 1300253443 is about 1091.4638030388.

Adding to 1300253443 its reverse (3443520031), we get a palindrome (4743773474).

The spelling of 1300253443 in words is "one billion, three hundred million, two hundred fifty-three thousand, four hundred forty-three".

Divisors: 1 73 1423 12517 103879 913741 17811691 1300253443