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1990852795 = 5683582973
BaseRepresentation
bin111011010101010…
…0000000010111011
312010202010210121201
41312222200002323
513034124242140
6525314515031
7100222653361
oct16652400273
95122123551
101990852795
1193186a198
12476895a77
132595c3a09
1414c597631
15b9ba749a
hex76aa00bb

1990852795 has 8 divisors (see below), whose sum is σ = 2392525296. Its totient is φ = 1590347616.

The previous prime is 1990852781. The next prime is 1990852817. The reversal of 1990852795 is 5972580991.

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 1990852795 - 25 = 1990852763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288072 + ... + 294901.

It is an arithmetic number, because the mean of its divisors is an integer number (299065662).

Almost surely, 21990852795 is an apocalyptic number.

1990852795 is a deficient number, since it is larger than the sum of its proper divisors (401672501).

1990852795 is an equidigital number, since it uses as much as digits as its factorization.

1990852795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583661.

The product of its (nonzero) digits is 2041200, while the sum is 55.

The square root of 1990852795 is about 44618.9734866234. The cubic root of 1990852795 is about 1257.9973214296.

The spelling of 1990852795 in words is "one billion, nine hundred ninety million, eight hundred fifty-two thousand, seven hundred ninety-five".

Divisors: 1 5 683 3415 582973 2914865 398170559 1990852795