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2003143427 = 5346218179
BaseRepresentation
bin111011101100101…
…1000101100000011
312011121021020012022
41313121120230003
513100301042202
6530434152055
7100432303205
oct16731305403
95147236168
102003143427
119387a433a
1247aa2262b
1325c00808c
14150076775
15bacd3ea2
hex77658b03

2003143427 has 8 divisors (see below), whose sum is σ = 2041629840. Its totient is φ = 1964682720.

The previous prime is 2003143357. The next prime is 2003143451. The reversal of 2003143427 is 7243413002.

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

It is a cyclic number.

It is not a de Polignac number, because 2003143427 - 212 = 2003139331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003143396 and 2003143405.

It is not an unprimeable number, because it can be changed into a prime (2003143127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240824 + ... + 249002.

It is an arithmetic number, because the mean of its divisors is an integer number (255203730).

Almost surely, 22003143427 is an apocalyptic number.

2003143427 is a deficient number, since it is larger than the sum of its proper divisors (38486413).

2003143427 is an equidigital number, since it uses as much as digits as its factorization.

2003143427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12853.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2003143427 is about 44756.4903338052. The cubic root of 2003143427 is about 1260.5807826862.

Adding to 2003143427 its reverse (7243413002), we get a palindrome (9246556429).

The spelling of 2003143427 in words is "two billion, three million, one hundred forty-three thousand, four hundred twenty-seven".

Divisors: 1 53 4621 8179 244913 433487 37795159 2003143427