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188948 = 2247237
BaseRepresentation
bin101110001000010100
3100121012002
4232020110
522021243
64014432
71414604
oct561024
9317162
10188948
11119a61
1291418
1368006
144cc04
153aeb8
hex2e214

188948 has 6 divisors (see below), whose sum is σ = 330666. Its totient is φ = 94472.

The previous prime is 188941. The next prime is 188953. The reversal of 188948 is 849881.

It can be written as a sum of positive squares in only one way, i.e., 103684 + 85264 = 322^2 + 292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188941) by changing a digit.

188948 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 23615 + ... + 23622.

It is an arithmetic number, because the mean of its divisors is an integer number (55111).

2188948 is an apocalyptic number.

It is an amenable number.

188948 is a deficient number, since it is larger than the sum of its proper divisors (141718).

188948 is a wasteful number, since it uses less digits than its factorization.

188948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47241 (or 47239 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 188948 is about 434.6814925897. The cubic root of 188948 is about 57.3826719093.

The spelling of 188948 in words is "one hundred eighty-eight thousand, nine hundred forty-eight".

Divisors: 1 2 4 47237 94474 188948