Search a number
-
+
3242745791 is a prime number
BaseRepresentation
bin1100000101001000…
…0101111110111111
322100222210112221222
43001102011332333
523120120331131
61253435143555
7143233612235
oct30122057677
98328715858
103242745791
1114144999aa
12765ba4bbb
133c8a870bc
1422a954955
1513ea4387b
hexc1485fbf

3242745791 has 2 divisors, whose sum is σ = 3242745792. Its totient is φ = 3242745790.

The previous prime is 3242745761. The next prime is 3242745829. The reversal of 3242745791 is 1975472423.

It is a weak prime.

It is an emirp because it is prime and its reverse (1975472423) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3242745791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3242745761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621372895 + 1621372896.

It is an arithmetic number, because the mean of its divisors is an integer number (1621372896).

Almost surely, 23242745791 is an apocalyptic number.

3242745791 is a deficient number, since it is larger than the sum of its proper divisors (1).

3242745791 is an equidigital number, since it uses as much as digits as its factorization.

3242745791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 3242745791 is about 56945.1120905034. The cubic root of 3242745791 is about 1480.1451329247.

The spelling of 3242745791 in words is "three billion, two hundred forty-two million, seven hundred forty-five thousand, seven hundred ninety-one".