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189829 = 1997103
BaseRepresentation
bin101110010110000101
3100122101201
4232112011
522033304
64022501
71420303
oct562605
9318351
10189829
1111a692
1291a31
1368533
144d273
153b3a4
hex2e585

189829 has 8 divisors (see below), whose sum is σ = 203840. Its totient is φ = 176256.

The previous prime is 189823. The next prime is 189851. The reversal of 189829 is 928981.

189829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 189829 - 25 = 189797 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 (189823) 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, 1792 + ... + 1894.

It is an arithmetic number, because the mean of its divisors is an integer number (25480).

2189829 is an apocalyptic number.

189829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

189829 is a deficient number, since it is larger than the sum of its proper divisors (14011).

189829 is a wasteful number, since it uses less digits than its factorization.

189829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219.

The product of its digits is 10368, while the sum is 37.

The square root of 189829 is about 435.6936997479. The cubic root of 189829 is about 57.4717189216.

The spelling of 189829 in words is "one hundred eighty-nine thousand, eight hundred twenty-nine".

Divisors: 1 19 97 103 1843 1957 9991 189829