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1003084989 = 312711172357
BaseRepresentation
bin111011110010011…
…101110010111101
32120220110222220220
4323302131302331
54023242204424
6243311331553
733600040014
oct7362356275
92526428826
101003084989
11475240665
1223bb20bb9
1312ca7a41a
1497311a7b
155d0e0579
hex3bc9dcbd

1003084989 has 16 divisors (see below), whose sum is σ = 1349756928. Its totient is φ = 662582592.

The previous prime is 1003084987. The next prime is 1003085003. The reversal of 1003084989 is 9894803001.

It is not a de Polignac number, because 1003084989 - 21 = 1003084987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003084989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003084987) 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, 424399 + ... + 426755.

It is an arithmetic number, because the mean of its divisors is an integer number (84359808).

Almost surely, 21003084989 is an apocalyptic number.

It is an amenable number.

1003084989 is a deficient number, since it is larger than the sum of its proper divisors (346671939).

1003084989 is a wasteful number, since it uses less digits than its factorization.

1003084989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1003084989 is about 31671.5169987167. The cubic root of 1003084989 is about 1001.0272740134.

The spelling of 1003084989 in words is "one billion, three million, eighty-four thousand, nine hundred eighty-nine".

Divisors: 1 3 127 381 1117 2357 3351 7071 141859 299339 425577 898017 2632769 7898307 334361663 1003084989