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1992484 = 221338317
BaseRepresentation
bin111100110011100100100
310202020011201
413212130210
51002224414
6110412244
722635664
oct7463444
93666151
101992484
111140a8a
12801084
13549bb0
1439c1a4
15295574
hex1e6724

1992484 has 12 divisors (see below), whose sum is σ = 3755164. Its totient is φ = 919584.

The previous prime is 1992481. The next prime is 1992493. The reversal of 1992484 is 4842991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 760384 + 1232100 = 872^2 + 1110^2 .

It is not an unprimeable number, because it can be changed into a prime (1992481) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 19107 + ... + 19210.

21992484 is an apocalyptic number.

It is an amenable number.

1992484 is a deficient number, since it is larger than the sum of its proper divisors (1762680).

1992484 is a wasteful number, since it uses less digits than its factorization.

1992484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38334 (or 38332 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1992484 is about 1411.5537538472. The cubic root of 1992484 is about 125.8340807620.

The spelling of 1992484 in words is "one million, nine hundred ninety-two thousand, four hundred eighty-four".

Divisors: 1 2 4 13 26 52 38317 76634 153268 498121 996242 1992484