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2790032289 = 31184546433
BaseRepresentation
bin1010011001001100…
…1000001110100001
321012102221022210020
42212103020032201
521203222013124
61140504024053
7126065611632
oct24623101641
97172838706
102790032289
11120199a610
1265a462029
1335604a2a5
141c678b889
15114e1b379
hexa64c83a1

2790032289 has 8 divisors (see below), whose sum is σ = 4058228832. Its totient is φ = 1690928640.

The previous prime is 2790032279. The next prime is 2790032303. The reversal of 2790032289 is 9822300972.

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

It is not a de Polignac number, because 2790032289 - 227 = 2655814561 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2790032289.

It is not an unprimeable number, because it can be changed into a prime (2790032239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42273184 + ... + 42273249.

It is an arithmetic number, because the mean of its divisors is an integer number (507278604).

Almost surely, 22790032289 is an apocalyptic number.

It is an amenable number.

2790032289 is a deficient number, since it is larger than the sum of its proper divisors (1268196543).

2790032289 is a wasteful number, since it uses less digits than its factorization.

2790032289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84546447.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2790032289 is about 52820.7562327538. The cubic root of 2790032289 is about 1407.7852474168.

The spelling of 2790032289 in words is "two billion, seven hundred ninety million, thirty-two thousand, two hundred eighty-nine".

Divisors: 1 3 11 33 84546433 253639299 930010763 2790032289