Search a number
-
+
1952896909 is a prime number
BaseRepresentation
bin111010001100110…
…1101011110001101
312001002201102221011
41310121231132031
512444420200114
6521441205221
766252230665
oct16431553615
95032642834
101952896909
119123a5397
12466030811
13251794702
141475171a5
15b66ab1c4
hex7466d78d

1952896909 has 2 divisors, whose sum is σ = 1952896910. Its totient is φ = 1952896908.

The previous prime is 1952896853. The next prime is 1952896927. The reversal of 1952896909 is 9096982591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1749748900 + 203148009 = 41830^2 + 14253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1952896909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1952896009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976448454 + 976448455.

It is an arithmetic number, because the mean of its divisors is an integer number (976448455).

Almost surely, 21952896909 is an apocalyptic number.

It is an amenable number.

1952896909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1952896909 is an equidigital number, since it uses as much as digits as its factorization.

1952896909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 58.

The square root of 1952896909 is about 44191.5931937286. The cubic root of 1952896909 is about 1249.9513386924.

The spelling of 1952896909 in words is "one billion, nine hundred fifty-two million, eight hundred ninety-six thousand, nine hundred nine".