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189134125 = 531513073
BaseRepresentation
bin10110100010111…
…11010100101101
3111011220000020121
423101133110231
5341404243000
630433444541
74454420305
oct1321372455
9434800217
10189134125
11978412a4
1253410751
13302515ab
141b194605
151190eb1a
hexb45f52d

189134125 has 8 divisors (see below), whose sum is σ = 236039544. Its totient is φ = 151307200.

The previous prime is 189134119. The next prime is 189134147. The reversal of 189134125 is 521431981.

It can be written as a sum of positive squares in 4 ways, for example, as 56746089 + 132388036 = 7533^2 + 11506^2 .

It is not a de Polignac number, because 189134125 - 217 = 189003053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756412 + ... + 756661.

It is an arithmetic number, because the mean of its divisors is an integer number (29504943).

Almost surely, 2189134125 is an apocalyptic number.

It is an amenable number.

189134125 is a deficient number, since it is larger than the sum of its proper divisors (46905419).

189134125 is an equidigital number, since it uses as much as digits as its factorization.

189134125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513088 (or 1513078 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 189134125 is about 13752.6042988228. The cubic root of 189134125 is about 574.0150750572.

The spelling of 189134125 in words is "one hundred eighty-nine million, one hundred thirty-four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1513073 7565365 37826825 189134125