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4050520245 = 32590011561
BaseRepresentation
bin1111000101101110…
…0000100010110101
3101110021202202012100
43301123200202311
531243413121440
61505532412313
7202242565632
oct36133404265
911407682170
104050520245
11179945a8a2
12950617099
134c722c855
142a5d45189
1518a904230
hexf16e08b5

4050520245 has 12 divisors (see below), whose sum is σ = 7020901836. Its totient is φ = 2160277440.

The previous prime is 4050520163. The next prime is 4050520247. The reversal of 4050520245 is 5420250504.

4050520245 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 494306289 + 3556213956 = 22233^2 + 59634^2 .

It is not a de Polignac number, because 4050520245 - 217 = 4050389173 is a prime.

It is a super-3 number, since 3×40505202453 (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4050520247) 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, 45005736 + ... + 45005825.

It is an arithmetic number, because the mean of its divisors is an integer number (585075153).

Almost surely, 24050520245 is an apocalyptic number.

4050520245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4050520245 is a deficient number, since it is larger than the sum of its proper divisors (2970381591).

4050520245 is a wasteful number, since it uses less digits than its factorization.

4050520245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90011572 (or 90011569 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 4050520245 is about 63643.6976062831. The cubic root of 4050520245 is about 1594.0561030501.

Adding to 4050520245 its reverse (5420250504), we get a palindrome (9470770749).

The spelling of 4050520245 in words is "four billion, fifty million, five hundred twenty thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 90011561 270034683 450057805 810104049 1350173415 4050520245