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1950194317 = 26938918637
BaseRepresentation
bin111010000111101…
…1001101010001101
312000220122010200011
41310033121222031
512443222204232
6521303233221
766220243501
oct16417315215
95026563604
101950194317
11910919945
12465148811
13251059546
14147012301
15b6325547
hex743d9a8d

1950194317 has 8 divisors (see below), whose sum is σ = 1962581400. Its totient is φ = 1937845824.

The previous prime is 1950194299. The next prime is 1950194353. The reversal of 1950194317 is 7134910591.

It can be written as a sum of positive squares in 4 ways, for example, as 263120841 + 1687073476 = 16221^2 + 41074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1950194317 - 27 = 1950194189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1950194317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950194377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95323 + ... + 113959.

It is an arithmetic number, because the mean of its divisors is an integer number (245322675).

Almost surely, 21950194317 is an apocalyptic number.

It is an amenable number.

1950194317 is a deficient number, since it is larger than the sum of its proper divisors (12387083).

1950194317 is a wasteful number, since it uses less digits than its factorization.

1950194317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19295.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 1950194317 is about 44161.0044835939. The cubic root of 1950194317 is about 1249.3744746533.

The spelling of 1950194317 in words is "one billion, nine hundred fifty million, one hundred ninety-four thousand, three hundred seventeen".

Divisors: 1 269 389 18637 104641 5013353 7249793 1950194317