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1084057 = 1383389
BaseRepresentation
bin100001000101010011001
32001002001021
410020222121
5234142212
635122441
712133342
oct4105231
92032037
101084057
11680517
12443421
132bc570
142030c9
15166307
hex108a99

1084057 has 4 divisors (see below), whose sum is σ = 1167460. Its totient is φ = 1000656.

The previous prime is 1084051. The next prime is 1084067. The reversal of 1084057 is 7504801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7504801 = 31323977.

It can be written as a sum of positive squares in 2 ways, for example, as 337561 + 746496 = 581^2 + 864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1084057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1084051) 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, 41682 + ... + 41707.

It is an arithmetic number, because the mean of its divisors is an integer number (291865).

21084057 is an apocalyptic number.

It is an amenable number.

1084057 is a deficient number, since it is larger than the sum of its proper divisors (83403).

1084057 is an equidigital number, since it uses as much as digits as its factorization.

1084057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83402.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1084057 is about 1041.1805799188. The cubic root of 1084057 is about 102.7268661301.

Adding to 1084057 its reverse (7504801), we get a palindrome (8588858).

The spelling of 1084057 in words is "one million, eighty-four thousand, fifty-seven".

Divisors: 1 13 83389 1084057