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2030510245 = 51637248077
BaseRepresentation
bin111100100000111…
…0010000010100101
312020111202121102011
41321001302002211
513124302311440
6533252514221
7101214023641
oct17101620245
95214677364
102030510245
11952196445
1248801b971
1326489a66a
1415395bc21
15bd3dc9ea
hex790720a5

2030510245 has 8 divisors (see below), whose sum is σ = 2438110584. Its totient is φ = 1623409344.

The previous prime is 2030510239. The next prime is 2030510249. The reversal of 2030510245 is 5420150302.

It can be written as a sum of positive squares in 4 ways, for example, as 71385601 + 1959124644 = 8449^2 + 44262^2 .

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 2030510245 - 213 = 2030502053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030510249) 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, 115854 + ... + 132223.

It is an arithmetic number, because the mean of its divisors is an integer number (304763823).

Almost surely, 22030510245 is an apocalyptic number.

It is an amenable number.

2030510245 is a deficient number, since it is larger than the sum of its proper divisors (407600339).

2030510245 is a wasteful number, since it uses less digits than its factorization.

2030510245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249719.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2030510245 is about 45061.1833510839. The cubic root of 2030510245 is about 1266.2954946238.

Adding to 2030510245 its reverse (5420150302), we get a palindrome (7450660547).

The spelling of 2030510245 in words is "two billion, thirty million, five hundred ten thousand, two hundred forty-five".

Divisors: 1 5 1637 8185 248077 1240385 406102049 2030510245