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192980087 = 4341910711
BaseRepresentation
bin10111000000010…
…10010001110111
3111110010101220122
423200022101313
5343400330322
631052122155
74532206106
oct1340122167
9443111818
10192980087
1199a28883
125476635b
1330c9a001
141b8b603d
1511e1e442
hexb80a477

192980087 has 8 divisors (see below), whose sum is σ = 197957760. Its totient is φ = 188024760.

The previous prime is 192980077. The next prime is 192980089. The reversal of 192980087 is 780089291.

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 192980087 - 214 = 192963703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192980089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12662 + ... + 23372.

It is an arithmetic number, because the mean of its divisors is an integer number (24744720).

Almost surely, 2192980087 is an apocalyptic number.

192980087 is a deficient number, since it is larger than the sum of its proper divisors (4977673).

192980087 is a wasteful number, since it uses less digits than its factorization.

192980087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 192980087 is about 13891.7272864104. The cubic root of 192980087 is about 577.8797806747.

The spelling of 192980087 in words is "one hundred ninety-two million, nine hundred eighty thousand, eighty-seven".

Divisors: 1 43 419 10711 18017 460573 4487909 192980087