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189834068 = 2247458517
BaseRepresentation
bin10110101000010…
…10001101010100
3111020012120101102
423110022031110
5342044142233
630500445232
74463364044
oct1324121524
9436176342
10189834068
119817a166
12536a9818
1330438068
141b2d7724
15119ec1e8
hexb50a354

189834068 has 6 divisors (see below), whose sum is σ = 332209626. Its totient is φ = 94917032.

The previous prime is 189834017. The next prime is 189834079. The reversal of 189834068 is 860438981.

It can be written as a sum of positive squares in only one way, i.e., 189833284 + 784 = 13778^2 + 28^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23729255 + ... + 23729262.

It is an arithmetic number, because the mean of its divisors is an integer number (55368271).

Almost surely, 2189834068 is an apocalyptic number.

It is an amenable number.

189834068 is a deficient number, since it is larger than the sum of its proper divisors (142375558).

189834068 is a wasteful number, since it uses less digits than its factorization.

189834068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47458521 (or 47458519 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 189834068 is about 13778.0284511246. The cubic root of 189834068 is about 574.7223037153.

The spelling of 189834068 in words is "one hundred eighty-nine million, eight hundred thirty-four thousand, sixty-eight".

Divisors: 1 2 4 47458517 94917034 189834068