Search a number
-
+
1682245 = 5509661
BaseRepresentation
bin110011010101101000101
310011110121101
412122231011
5412312440
6100020101
720204335
oct6325505
93143541
101682245
11a49994
12691631
1346b916
1431b0c5
1523369a
hex19ab45

1682245 has 8 divisors (see below), whose sum is σ = 2025720. Its totient is φ = 1341120.

The previous prime is 1682237. The next prime is 1682249. The reversal of 1682245 is 5422861.

It can be written as a sum of positive squares in 4 ways, for example, as 613089 + 1069156 = 783^2 + 1034^2 .

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

It is not a de Polignac number, because 1682245 - 23 = 1682237 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682249) 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 7 ways as a sum of consecutive naturals, for example, 2215 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (253215).

21682245 is an apocalyptic number.

It is an amenable number.

1682245 is a deficient number, since it is larger than the sum of its proper divisors (343475).

1682245 is an equidigital number, since it uses as much as digits as its factorization.

1682245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

The product of its digits is 3840, while the sum is 28.

The square root of 1682245 is about 1297.0138781062. The cubic root of 1682245 is about 118.9313682824.

The spelling of 1682245 in words is "one million, six hundred eighty-two thousand, two hundred forty-five".

Divisors: 1 5 509 661 2545 3305 336449 1682245