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198946 = 2119043
BaseRepresentation
bin110000100100100010
3101002220101
4300210202
522331241
64133014
71456006
oct604442
9332811
10198946
11126520
129716a
136c727
1452706
153de31
hex30922

198946 has 8 divisors (see below), whose sum is σ = 325584. Its totient is φ = 90420.

The previous prime is 198943. The next prime is 198953. The reversal of 198946 is 649891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (198941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4500 + ... + 4543.

It is an arithmetic number, because the mean of its divisors is an integer number (40698).

2198946 is an apocalyptic number.

198946 is a deficient number, since it is larger than the sum of its proper divisors (126638).

198946 is a wasteful number, since it uses less digits than its factorization.

198946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9056.

The product of its digits is 15552, while the sum is 37.

The square root of 198946 is about 446.0336310190. The cubic root of 198946 is about 58.3774432809.

It can be divided in two parts, 19894 and 6, that added together give a triangular number (19900 = T199).

The spelling of 198946 in words is "one hundred ninety-eight thousand, nine hundred forty-six".

Divisors: 1 2 11 22 9043 18086 99473 198946