Search a number
-
+
2013445 = 5757527
BaseRepresentation
bin111101011100100000101
310210021221001
413223210011
51003412240
6111053301
723054050
oct7534405
93707831
102013445
111155805
12811231
135565b5
143a5a97
1529b89a
hex1eb905

2013445 has 8 divisors (see below), whose sum is σ = 2761344. Its totient is φ = 1380624.

The previous prime is 2013439. The next prime is 2013457. The reversal of 2013445 is 5443102.

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

It is not a de Polignac number, because 2013445 - 219 = 1489157 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 28729 + ... + 28798.

It is an arithmetic number, because the mean of its divisors is an integer number (345168).

22013445 is an apocalyptic number.

It is an amenable number.

2013445 is a deficient number, since it is larger than the sum of its proper divisors (747899).

2013445 is an equidigital number, since it uses as much as digits as its factorization.

2013445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57539.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2013445 is about 1418.9591255565. The cubic root of 2013445 is about 126.2738020019.

Adding to 2013445 its reverse (5443102), we get a palindrome (7456547).

The spelling of 2013445 in words is "two million, thirteen thousand, four hundred forty-five".

Divisors: 1 5 7 35 57527 287635 402689 2013445