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4085250249 = 31971671057
BaseRepresentation
bin1111001101111111…
…1111100011001001
3101112201010012210210
43303133333203021
531331311001444
61513213031333
7203144024403
oct36337774311
911481105723
104085250249
111807020a83
12960185549
1350149c752
142aa7c5b73
1518d9b47b9
hexf37ff8c9

4085250249 has 8 divisors (see below), whose sum is σ = 5733684640. Its totient is φ = 2580158016.

The previous prime is 4085250203. The next prime is 4085250251. The reversal of 4085250249 is 9420525804.

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

It is not a de Polignac number, because 4085250249 - 29 = 4085249737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4085250749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35835472 + ... + 35835585.

It is an arithmetic number, because the mean of its divisors is an integer number (716710580).

Almost surely, 24085250249 is an apocalyptic number.

It is an amenable number.

4085250249 is a deficient number, since it is larger than the sum of its proper divisors (1648434391).

4085250249 is a wasteful number, since it uses less digits than its factorization.

4085250249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71671079.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 4085250249 is about 63915.9623959461. The cubic root of 4085250249 is about 1598.5990665625.

The spelling of 4085250249 in words is "four billion, eighty-five million, two hundred fifty thousand, two hundred forty-nine".

Divisors: 1 3 19 57 71671057 215013171 1361750083 4085250249