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192103889 = 1923371092
BaseRepresentation
bin10110111001101…
…00010111010001
3111101110212222212
423130310113101
5343134311024
631021241505
74521566435
oct1334642721
9441425885
10192103889
119948a54a
1254403295
1330a51253
141b7289c5
1511ce9a0e
hexb7345d1

192103889 has 24 divisors (see below), whose sum is σ = 218715840. Its totient is φ = 167821632.

The previous prime is 192103831. The next prime is 192103921. The reversal of 192103889 is 988301291.

It is not a de Polignac number, because 192103889 - 212 = 192099793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (192103189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1762367 + ... + 1762475.

It is an arithmetic number, because the mean of its divisors is an integer number (9113160).

Almost surely, 2192103889 is an apocalyptic number.

192103889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

192103889 is a deficient number, since it is larger than the sum of its proper divisors (26611951).

192103889 is a wasteful number, since it uses less digits than its factorization.

192103889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 192103889 is about 13860.1547249661. The cubic root of 192103889 is about 577.0038606572.

The spelling of 192103889 in words is "one hundred ninety-two million, one hundred three thousand, eight hundred eighty-nine".

Divisors: 1 19 23 37 109 437 703 851 2071 2507 4033 11881 16169 47633 76627 92759 225739 273263 439597 1762421 5191997 8352343 10110731 192103889