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189704 = 23231031
BaseRepresentation
bin101110010100001000
3100122020002
4232110020
522032304
64022132
71420034
oct562410
9318202
10189704
1111a589
1291948
1368468
144d1c4
153b31e
hex2e508

189704 has 16 divisors (see below), whose sum is σ = 371520. Its totient is φ = 90640.

The previous prime is 189701. The next prime is 189713. The reversal of 189704 is 407981.

It is not an unprimeable number, because it can be changed into a prime (189701) 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, 332 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (23220).

2189704 is an apocalyptic number.

It is an amenable number.

189704 is a deficient number, since it is larger than the sum of its proper divisors (181816).

189704 is a wasteful number, since it uses less digits than its factorization.

189704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 189704 is about 435.5502267248. The cubic root of 189704 is about 57.4591013513.

The spelling of 189704 in words is "one hundred eighty-nine thousand, seven hundred four".

Divisors: 1 2 4 8 23 46 92 184 1031 2062 4124 8248 23713 47426 94852 189704