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19672 = 232459
BaseRepresentation
bin100110011011000
3222222121
410303120
51112142
6231024
7111232
oct46330
928877
1019672
1113864
12b474
138c53
147252
155c67
hex4cd8

19672 has 8 divisors (see below), whose sum is σ = 36900. Its totient is φ = 9832.

The previous prime is 19661. The next prime is 19681. The reversal of 19672 is 27691.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable 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, 1222 + ... + 1237.

219672 is an apocalyptic number.

It is an amenable number.

19672 is a deficient number, since it is larger than the sum of its proper divisors (17228).

19672 is a wasteful number, since it uses less digits than its factorization.

19672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2461 counting only the distinct ones).

The product of its digits is 756, while the sum is 25.

The square root of 19672 is about 140.2569071383. The cubic root of 19672 is about 26.9949693417.

The spelling of 19672 in words is "nineteen thousand, six hundred seventy-two".

Divisors: 1 2 4 8 2459 4918 9836 19672