Search a number
-
+
192136893 = 31337472833
BaseRepresentation
bin10110111001111…
…00011010111101
3111101112120021020
423130330122331
5343141340033
631022054353
74522064604
oct1334743275
9441476236
10192136893
1199502323
125441a3b9
1330a63290
141b736a3b
1511d046b3
hexb73c6bd

192136893 has 32 divisors (see below), whose sum is σ = 289476096. Its totient is φ = 112555008.

The previous prime is 192136891. The next prime is 192136909. The reversal of 192136893 is 398631291.

It is not a de Polignac number, because 192136893 - 21 = 192136891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192136891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66405 + ... + 69237.

It is an arithmetic number, because the mean of its divisors is an integer number (9046128).

Almost surely, 2192136893 is an apocalyptic number.

192136893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

192136893 is a deficient number, since it is larger than the sum of its proper divisors (97339203).

192136893 is a wasteful number, since it uses less digits than its factorization.

192136893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its digits is 69984, while the sum is 42.

The square root of 192136893 is about 13861.3452810324. The cubic root of 192136893 is about 577.0369024053.

It can be divided in two parts, 19213 and 6893, that added together give a triangular number (26106 = T228).

The spelling of 192136893 in words is "one hundred ninety-two million, one hundred thirty-six thousand, eight hundred ninety-three".

Divisors: 1 3 13 37 39 47 111 141 481 611 1443 1739 1833 2833 5217 8499 22607 36829 67821 104821 110487 133151 314463 399453 1362673 1730963 4088019 4926587 5192889 14779761 64045631 192136893