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191214 = 2333541
BaseRepresentation
bin101110101011101110
3100201022000
4232223232
522104324
64033130
71424322
oct565356
9321260
10191214
11120731
12927a6
136905a
144d982
153b9c9
hex2eaee

191214 has 16 divisors (see below), whose sum is σ = 425040. Its totient is φ = 63720.

The previous prime is 191189. The next prime is 191227. The reversal of 191214 is 412191.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon 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, 1717 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (26565).

2191214 is an apocalyptic number.

191214 is an abundant number, since it is smaller than the sum of its proper divisors (233826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191214 is a wasteful number, since it uses less digits than its factorization.

191214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552 (or 3546 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 191214 is about 437.2802305159. The cubic root of 191214 is about 57.6111523545.

The spelling of 191214 in words is "one hundred ninety-one thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 3541 7082 10623 21246 31869 63738 95607 191214