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189148 = 2247287
BaseRepresentation
bin101110001011011100
3100121110111
4232023130
522023043
64015404
71415311
oct561334
9317414
10189148
1111a123
1291564
136812b
144cd08
153b09d
hex2e2dc

189148 has 6 divisors (see below), whose sum is σ = 331016. Its totient is φ = 94572.

The previous prime is 189139. The next prime is 189149. The reversal of 189148 is 841981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23640 + ... + 23647.

2189148 is an apocalyptic number.

It is an amenable number.

189148 is a deficient number, since it is larger than the sum of its proper divisors (141868).

189148 is a wasteful number, since it uses less digits than its factorization.

189148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47291 (or 47289 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 189148 is about 434.9114852473. The cubic root of 189148 is about 57.4029111418.

It can be divided in two parts, 189 and 148, that multiplied together give a palindrome (27972).

The spelling of 189148 in words is "one hundred eighty-nine thousand, one hundred forty-eight".

Divisors: 1 2 4 47287 94574 189148