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1950248249 is a prime number
BaseRepresentation
bin111010000111110…
…0110110100111001
312000220201212122122
41310033212310321
512443230420444
6521304331025
766220556645
oct16417466471
95026655578
101950248249
11910956414
12465173a75
13251077c61
14147027c25
15b63364ee
hex743e6d39

1950248249 has 2 divisors, whose sum is σ = 1950248250. Its totient is φ = 1950248248.

The previous prime is 1950248243. The next prime is 1950248303. The reversal of 1950248249 is 9428420591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1801408249 + 148840000 = 42443^2 + 12200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1950248249 - 228 = 1681812793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1950248243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975124124 + 975124125.

It is an arithmetic number, because the mean of its divisors is an integer number (975124125).

Almost surely, 21950248249 is an apocalyptic number.

It is an amenable number.

1950248249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1950248249 is an equidigital number, since it uses as much as digits as its factorization.

1950248249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1950248249 is about 44161.6151085986. The cubic root of 1950248249 is about 1249.3859915643.

The spelling of 1950248249 in words is "one billion, nine hundred fifty million, two hundred forty-eight thousand, two hundred forty-nine".