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2003104445 = 51095037307
BaseRepresentation
bin111011101100100…
…1111001010111101
312011121012020201112
41313121033022331
513100243320240
6530433251405
7100432051436
oct16731171275
95147166645
102003104445
11938778021
1247aa03b65
1325bcc3404
1415006648d
15bacc7665
hex7764f2bd

2003104445 has 16 divisors (see below), whose sum is σ = 2430933120. Its totient is φ = 1584408384.

The previous prime is 2003104387. The next prime is 2003104447. The reversal of 2003104445 is 5444013002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2003104445 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2003104445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003104447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270482 + ... + 277788.

It is an arithmetic number, because the mean of its divisors is an integer number (151933320).

Almost surely, 22003104445 is an apocalyptic number.

It is an amenable number.

2003104445 is a deficient number, since it is larger than the sum of its proper divisors (427828675).

2003104445 is a wasteful number, since it uses less digits than its factorization.

2003104445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2003104445 is about 44756.0548417753. The cubic root of 2003104445 is about 1260.5726054919.

Adding to 2003104445 its reverse (5444013002), we get a palindrome (7447117447).

The spelling of 2003104445 in words is "two billion, three million, one hundred four thousand, four hundred forty-five".

Divisors: 1 5 109 503 545 2515 7307 36535 54827 274135 796463 3675421 3982315 18377105 400620889 2003104445