Search a number
-
+
1020202349 is a prime number
BaseRepresentation
bin111100110011110…
…000110101101101
32122002200122112012
4330303300311231
54042132433344
6245122251005
734165401605
oct7463606555
92562618465
101020202349
11483972141
122457b6a65
1313349173a
14996c9c05
155e87229e
hex3ccf0d6d

1020202349 has 2 divisors, whose sum is σ = 1020202350. Its totient is φ = 1020202348.

The previous prime is 1020202327. The next prime is 1020202361. The reversal of 1020202349 is 9432020201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 859369225 + 160833124 = 29315^2 + 12682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020202349 - 216 = 1020136813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020202319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510101174 + 510101175.

It is an arithmetic number, because the mean of its divisors is an integer number (510101175).

Almost surely, 21020202349 is an apocalyptic number.

It is an amenable number.

1020202349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020202349 is an equidigital number, since it uses as much as digits as its factorization.

1020202349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1020202349 is about 31940.6065847222. The cubic root of 1020202349 is about 1006.6892702238.

The spelling of 1020202349 in words is "one billion, twenty million, two hundred two thousand, three hundred forty-nine".