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1993832 = 23249229
BaseRepresentation
bin111100110110001101000
310202022000122
413212301220
51002300312
6110422412
722642631
oct7466150
93668018
101993832
111141aa5
12801a08
1354a6a9
1439c888
15295b72
hex1e6c68

1993832 has 8 divisors (see below), whose sum is σ = 3738450. Its totient is φ = 996912.

The previous prime is 1993829. The next prime is 1993861. The reversal of 1993832 is 2383991.

It can be written as a sum of positive squares in only one way, i.e., 1136356 + 857476 = 1066^2 + 926^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1993792 and 1993801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124607 + ... + 124622.

21993832 is an apocalyptic number.

It is an amenable number.

1993832 is a deficient number, since it is larger than the sum of its proper divisors (1744618).

1993832 is a wasteful number, since it uses less digits than its factorization.

1993832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249235 (or 249231 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 1993832 is about 1412.0311611292. The cubic root of 1993832 is about 125.8624517305.

The spelling of 1993832 in words is "one million, nine hundred ninety-three thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 249229 498458 996916 1993832