Search a number
-
+
1010245 = 5202049
BaseRepresentation
bin11110110101001000101
31220022210111
43312221011
5224311440
633353021
711405215
oct3665105
91808714
101010245
11630015
12408771
13294aa2
141c4245
1514e4ea
hexf6a45

1010245 has 4 divisors (see below), whose sum is σ = 1212300. Its totient is φ = 808192.

The previous prime is 1010237. The next prime is 1010263. The reversal of 1010245 is 5420101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 289444 + 720801 = 538^2 + 849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010245 - 23 = 1010237 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101020 + ... + 101029.

It is an arithmetic number, because the mean of its divisors is an integer number (303075).

21010245 is an apocalyptic number.

It is an amenable number.

1010245 is a deficient number, since it is larger than the sum of its proper divisors (202055).

1010245 is an equidigital number, since it uses as much as digits as its factorization.

1010245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202054.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1010245 is about 1005.1094467768. The cubic root of 1010245 is about 100.3403403703.

Adding to 1010245 its reverse (5420101), we get a palindrome (6430346).

The spelling of 1010245 in words is "one million, ten thousand, two hundred forty-five".

Divisors: 1 5 202049 1010245