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1682481 = 3560827
BaseRepresentation
bin110011010110000110001
310011110221010
412122300301
5412314411
6100021133
720205123
oct6326061
93143833
101682481
11a4a089
126917a9
1346ba68
1431b213
152337a6
hex19ac31

1682481 has 4 divisors (see below), whose sum is σ = 2243312. Its totient is φ = 1121652.

The previous prime is 1682479. The next prime is 1682489. The reversal of 1682481 is 1842861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1682481 - 21 = 1682479 is a prime.

It is a super-2 number, since 2×16824812 = 5661484630722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1682489) 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, 280411 + ... + 280416.

It is an arithmetic number, because the mean of its divisors is an integer number (560828).

21682481 is an apocalyptic number.

It is an amenable number.

1682481 is a deficient number, since it is larger than the sum of its proper divisors (560831).

1682481 is an equidigital number, since it uses as much as digits as its factorization.

1682481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560830.

The product of its digits is 3072, while the sum is 30.

The square root of 1682481 is about 1297.1048531248. The cubic root of 1682481 is about 118.9369295989.

The spelling of 1682481 in words is "one million, six hundred eighty-two thousand, four hundred eighty-one".

Divisors: 1 3 560827 1682481