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2903381057 = 17232322849
BaseRepresentation
bin1010110100001110…
…0001010001000001
321111100020001001202
42231003201101001
521421231143212
61200033310545
7131643221543
oct25503412101
97440201052
102903381057
11125a979185
12690405455
13373685975
141d7855693
1511ed5b0c2
hexad0e1441

2903381057 has 12 divisors (see below), whose sum is σ = 3213648900. Its totient is φ = 2613777408.

The previous prime is 2903381017. The next prime is 2903381059. The reversal of 2903381057 is 7501833092.

It can be written as a sum of positive squares in 2 ways, for example, as 2694751921 + 208629136 = 51911^2 + 14444^2 .

It is not a de Polignac number, because 2903381057 - 210 = 2903380033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2903381057.

It is not an unprimeable number, because it can be changed into a prime (2903381059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152432 + ... + 170417.

It is an arithmetic number, because the mean of its divisors is an integer number (267804075).

Almost surely, 22903381057 is an apocalyptic number.

It is an amenable number.

2903381057 is a deficient number, since it is larger than the sum of its proper divisors (310267843).

2903381057 is a wasteful number, since it uses less digits than its factorization.

2903381057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322912 (or 322889 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 2903381057 is about 53883.0312528907. The cubic root of 2903381057 is about 1426.5971311193.

The spelling of 2903381057 in words is "two billion, nine hundred three million, three hundred eighty-one thousand, fifty-seven".

Divisors: 1 17 23 391 529 8993 322849 5488433 7425527 126233959 170787121 2903381057