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189834325 = 52172232003
BaseRepresentation
bin10110101000010…
…10010001010101
3111020012120201221
423110022101111
5342044144300
630500450341
74463364562
oct1324122125
9436176657
10189834325
119817a37a
12536a99b1
1330438205
141b2d7869
15119ec31a
hexb50a455

189834325 has 24 divisors (see below), whose sum is σ = 250483968. Its totient is φ = 142222080.

The previous prime is 189834317. The next prime is 189834343. The reversal of 189834325 is 523438981.

It is not a de Polignac number, because 189834325 - 23 = 189834317 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 23 ways as a sum of consecutive naturals, for example, 93774 + ... + 95776.

It is an arithmetic number, because the mean of its divisors is an integer number (10436832).

Almost surely, 2189834325 is an apocalyptic number.

It is an amenable number.

189834325 is a deficient number, since it is larger than the sum of its proper divisors (60649643).

189834325 is a wasteful number, since it uses less digits than its factorization.

189834325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2248 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 189834325 is about 13778.0377775647. The cubic root of 189834325 is about 574.7225630709.

The spelling of 189834325 in words is "one hundred eighty-nine million, eight hundred thirty-four thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 223 425 1115 2003 3791 5575 10015 18955 34051 50075 94775 170255 446669 851275 2233345 7593373 11166725 37966865 189834325