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189346475 = 5253142903
BaseRepresentation
bin10110100100100…
…11001010101011
3111012021210112102
423102103022223
5341433041400
630442204015
74456263353
oct1322231253
9435253472
10189346475
119797689a
12534b360b
13302c7146
141b20bb63
15119529d5
hexb4932ab

189346475 has 12 divisors (see below), whose sum is σ = 239221296. Its totient is φ = 148618080.

The previous prime is 189346463. The next prime is 189346477. The reversal of 189346475 is 574643981.

189346475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189346475 - 26 = 189346411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189346477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70127 + ... + 72776.

It is an arithmetic number, because the mean of its divisors is an integer number (19935108).

Almost surely, 2189346475 is an apocalyptic number.

189346475 is a deficient number, since it is larger than the sum of its proper divisors (49874821).

189346475 is a wasteful number, since it uses less digits than its factorization.

189346475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142966 (or 142961 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 189346475 is about 13760.3224889535. The cubic root of 189346475 is about 574.2298195083.

The spelling of 189346475 in words is "one hundred eighty-nine million, three hundred forty-six thousand, four hundred seventy-five".

Divisors: 1 5 25 53 265 1325 142903 714515 3572575 7573859 37869295 189346475