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BaseRepresentation
bin1011111001010101000
3201210201001
41133022220
544433200
612204344
73212305
oct1371250
9653631
10389800
11246954
121696b4
13108568
14a20ac
157a76a
hex5f2a8

389800 has 24 divisors (see below), whose sum is σ = 906750. Its totient is φ = 155840.

The previous prime is 389797. The next prime is 389819. The reversal of 389800 is 8983.

It can be written as a sum of positive squares in 3 ways, for example, as 338724 + 51076 = 582^2 + 226^2 .

It is a nialpdrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 775 + ... + 1174.

2389800 is an apocalyptic number.

It is an amenable number.

389800 is an abundant number, since it is smaller than the sum of its proper divisors (516950).

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

389800 is a wasteful number, since it uses less digits than its factorization.

389800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1956 counting only the distinct ones).

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

The square root of 389800 is about 624.3396511515. The cubic root of 389800 is about 73.0489444708.

The spelling of 389800 in words is "three hundred eighty-nine thousand, eight hundred".