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189464 = 23112153
BaseRepresentation
bin101110010000011000
3100121220012
4232100120
522030324
64021052
71416242
oct562030
9317805
10189464
1111a390
1291788
1368312
144d092
153b20e
hex2e418

189464 has 16 divisors (see below), whose sum is σ = 387720. Its totient is φ = 86080.

The previous prime is 189463. The next prime is 189467. The reversal of 189464 is 464981.

189464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989 + ... + 1164.

2189464 is an apocalyptic number.

It is an amenable number.

189464 is an abundant number, since it is smaller than the sum of its proper divisors (198256).

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

189464 is a wasteful number, since it uses less digits than its factorization.

189464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 2166 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 189464 is about 435.2746259547. The cubic root of 189464 is about 57.4348600703.

The spelling of 189464 in words is "one hundred eighty-nine thousand, four hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 2153 4306 8612 17224 23683 47366 94732 189464