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1683406 = 28310141
BaseRepresentation
bin110011010111111001110
310011112012101
412122333032
5412332111
6100025314
720210614
oct6327716
93145171
101683406
11a4a84a
1269223a
1346c2ca
1431b6b4
15233bc1
hex19afce

1683406 has 8 divisors (see below), whose sum is σ = 2555784. Its totient is φ = 831480.

The previous prime is 1683403. The next prime is 1683433. The reversal of 1683406 is 6043861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4905 + ... + 5236.

It is an arithmetic number, because the mean of its divisors is an integer number (319473).

21683406 is an apocalyptic number.

1683406 is a deficient number, since it is larger than the sum of its proper divisors (872378).

1683406 is a wasteful number, since it uses less digits than its factorization.

1683406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10226.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1683406 is about 1297.4613674403. The cubic root of 1683406 is about 118.9587221192.

The spelling of 1683406 in words is "one million, six hundred eighty-three thousand, four hundred six".

Divisors: 1 2 83 166 10141 20282 841703 1683406