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189729483 = 3104960289
BaseRepresentation
bin10110100111100…
…00101011001011
3111020000020220220
423103300223023
5342032320413
630454321123
74462450116
oct1323605313
9436006826
10189729483
1198108629
12536591a3
13303cc588
141b2ab57d
15119cb223
hexb4f0acb

189729483 has 8 divisors (see below), whose sum is σ = 253218000. Its totient is φ = 126363648.

The previous prime is 189729473. The next prime is 189729487. The reversal of 189729483 is 384927981.

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

It is not a de Polignac number, because 189729483 - 24 = 189729467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189729487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26998 + ... + 33291.

It is an arithmetic number, because the mean of its divisors is an integer number (31652250).

Almost surely, 2189729483 is an apocalyptic number.

189729483 is a deficient number, since it is larger than the sum of its proper divisors (63488517).

189729483 is a wasteful number, since it uses less digits than its factorization.

189729483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61341.

The product of its digits is 870912, while the sum is 51.

The square root of 189729483 is about 13774.2325739041. The cubic root of 189729483 is about 574.6167406932.

The spelling of 189729483 in words is "one hundred eighty-nine million, seven hundred twenty-nine thousand, four hundred eighty-three".

Divisors: 1 3 1049 3147 60289 180867 63243161 189729483