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189046 = 21113661
BaseRepresentation
bin101110001001110110
3100121022201
4232021312
522022141
64015114
71415104
oct561166
9317281
10189046
1111a040
129149a
1368080
144cc74
153b031
hex2e276

189046 has 16 divisors (see below), whose sum is σ = 333648. Its totient is φ = 79200.

The previous prime is 189043. The next prime is 189061. The reversal of 189046 is 640981.

189046 = T164 + T165 + ... + T176.

189046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189041) 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, 45 + ... + 616.

It is an arithmetic number, because the mean of its divisors is an integer number (20853).

2189046 is an apocalyptic number.

189046 is a deficient number, since it is larger than the sum of its proper divisors (144602).

189046 is a wasteful number, since it uses less digits than its factorization.

189046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 189046 is about 434.7942041932. The cubic root of 189046 is about 57.3925909168.

It can be divided in two parts, 1890 and 46, that added together give a square (1936 = 442).

The spelling of 189046 in words is "one hundred eighty-nine thousand, forty-six".

Divisors: 1 2 11 13 22 26 143 286 661 1322 7271 8593 14542 17186 94523 189046