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1683404 = 22420851
BaseRepresentation
bin110011010111111001100
310011112012022
412122333030
5412332104
6100025312
720210612
oct6327714
93145168
101683404
11a4a848
12692238
1346c2c8
1431b6b2
15233bbe
hex19afcc

1683404 has 6 divisors (see below), whose sum is σ = 2945964. Its totient is φ = 841700.

The previous prime is 1683403. The next prime is 1683433. The reversal of 1683404 is 4043861.

It is a d-powerful number, because it can be written as 1 + 68 + 83 + 37 + 43 + 0 + 45 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1683403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210422 + ... + 210429.

It is an arithmetic number, because the mean of its divisors is an integer number (490994).

21683404 is an apocalyptic number.

It is an amenable number.

1683404 is a deficient number, since it is larger than the sum of its proper divisors (1262560).

1683404 is a wasteful number, since it uses less digits than its factorization.

1683404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420855 (or 420853 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1683404 is about 1297.4605967042. The cubic root of 1683404 is about 118.9586750089.

The spelling of 1683404 in words is "one million, six hundred eighty-three thousand, four hundred four".

Divisors: 1 2 4 420851 841702 1683404