Search a number
-
+
2040757349 is a prime number
BaseRepresentation
bin111100110100011…
…0111110001100101
312021020001012210112
41321220313301211
513134413213344
6534300302405
7101400102611
oct17150676145
95236035715
102040757349
11957a55224
1248b541a05
13266a47837
14155068341
15be263c9e
hex79a37c65

2040757349 has 2 divisors, whose sum is σ = 2040757350. Its totient is φ = 2040757348.

The previous prime is 2040757259. The next prime is 2040757357. The reversal of 2040757349 is 9437570402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1676329249 + 364428100 = 40943^2 + 19090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2040757349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040757049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020378674 + 1020378675.

It is an arithmetic number, because the mean of its divisors is an integer number (1020378675).

Almost surely, 22040757349 is an apocalyptic number.

It is an amenable number.

2040757349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040757349 is an equidigital number, since it uses as much as digits as its factorization.

2040757349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 2040757349 is about 45174.7423789002. The cubic root of 2040757349 is about 1268.4220692627.

The spelling of 2040757349 in words is "two billion, forty million, seven hundred fifty-seven thousand, three hundred forty-nine".