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BaseRepresentation
bin111110010110010100101
310211210112100
413302302211
51010334140
6111442313
723236254
oct7626245
93753470
102043045
111175a74
12826399
13566c04
143b279b
152a5530
hex1f2ca5

2043045 has 24 divisors (see below), whose sum is σ = 3590496. Its totient is φ = 1074528.

The previous prime is 2043037. The next prime is 2043047. The reversal of 2043045 is 5403402.

It is a happy number.

It is not a de Polignac number, because 2043045 - 23 = 2043037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3462 + ... + 4008.

It is an arithmetic number, because the mean of its divisors is an integer number (149604).

22043045 is an apocalyptic number.

It is an amenable number.

2043045 is a deficient number, since it is larger than the sum of its proper divisors (1547451).

2043045 is a wasteful number, since it uses less digits than its factorization.

2043045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2043045 is about 1429.3512514424. The cubic root of 2043045 is about 126.8895851449.

Adding to 2043045 its reverse (5403402), we get a palindrome (7446447).

It can be divided in two parts, 204 and 3045, that added together give a square (3249 = 572).

The spelling of 2043045 in words is "two million, forty-three thousand, forty-five".