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189254 = 21329251
BaseRepresentation
bin101110001101000110
3100121121102
4232031012
522024004
64020102
71415522
oct561506
9317542
10189254
1111a20a
1291632
13681b0
144cd82
153b11e
hex2e346

189254 has 16 divisors (see below), whose sum is σ = 317520. Its totient is φ = 84000.

The previous prime is 189253. The next prime is 189257. The reversal of 189254 is 452981.

189254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 189254.

It is not an unprimeable number, because it can be changed into a prime (189251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629 + ... + 879.

It is an arithmetic number, because the mean of its divisors is an integer number (19845).

2189254 is an apocalyptic number.

189254 is a deficient number, since it is larger than the sum of its proper divisors (128266).

189254 is a wasteful number, since it uses less digits than its factorization.

189254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its digits is 2880, while the sum is 29.

The square root of 189254 is about 435.0333320563. The cubic root of 189254 is about 57.4136321509.

Subtracting from 189254 its sum of digits (29), we obtain a square (189225 = 4352).

The spelling of 189254 in words is "one hundred eighty-nine thousand, two hundred fifty-four".

Divisors: 1 2 13 26 29 58 251 377 502 754 3263 6526 7279 14558 94627 189254