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189528101 = 746375839
BaseRepresentation
bin10110100101111…
…11100000100101
3111012122000200022
423102333200211
5342004344401
630450124525
74460651030
oct1322774045
9435560608
10189528101
1197a902a4
1253580745
133035ba09
141b258017
151198b71b
hexb4bf825

189528101 has 8 divisors (see below), whose sum is σ = 216687360. Its totient is φ = 162389808.

The previous prime is 189528091. The next prime is 189528107. The reversal of 189528101 is 101825981.

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

It is a de Polignac number, because none of the positive numbers 2k-189528101 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 (189528107) 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, 29540 + ... + 35378.

It is an arithmetic number, because the mean of its divisors is an integer number (27085920).

Almost surely, 2189528101 is an apocalyptic number.

It is an amenable number.

189528101 is a deficient number, since it is larger than the sum of its proper divisors (27159259).

189528101 is an equidigital number, since it uses as much as digits as its factorization.

189528101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483.

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 189528101 is about 13766.9205343824. The cubic root of 189528101 is about 574.4133661617.

The spelling of 189528101 in words is "one hundred eighty-nine million, five hundred twenty-eight thousand, one hundred one".

Divisors: 1 7 4637 5839 32459 40873 27075443 189528101