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1681083 = 321511237
BaseRepresentation
bin110011010011010111011
310011102000100
412122122323
5412243313
6100010443
720201055
oct6323273
93142010
101681083
11a49028
12690a23
1346b231
1431a8d5
15233173
hex19a6bb

1681083 has 12 divisors (see below), whose sum is σ = 2446288. Its totient is φ = 1112400.

The previous prime is 1681073. The next prime is 1681091. The reversal of 1681083 is 3801861.

It is a de Polignac number, because none of the positive numbers 2k-1681083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1681003) 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 in 11 ways as a sum of consecutive naturals, for example, 741 + ... + 1977.

21681083 is an apocalyptic number.

1681083 is a deficient number, since it is larger than the sum of its proper divisors (765205).

1681083 is a wasteful number, since it uses less digits than its factorization.

1681083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1681083 is about 1296.5658486942. The cubic root of 1681083 is about 118.9039782804.

The spelling of 1681083 in words is "one million, six hundred eighty-one thousand, eighty-three".

Divisors: 1 3 9 151 453 1237 1359 3711 11133 186787 560361 1681083