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3850249 = 131132621
BaseRepresentation
bin1110101100000000001001
321020121112211
432230000021
51441201444
6214305121
744504134
oct16540011
97217484
103850249
11219a827
1213581a1
13a4a670
1472321b
15510c34
hex3ac009

3850249 has 8 divisors (see below), whose sum is σ = 4184712. Its totient is φ = 3521280.

The previous prime is 3850247. The next prime is 3850267. The reversal of 3850249 is 9420583.

It can be written as a sum of positive squares in 4 ways, for example, as 8649 + 3841600 = 93^2 + 1960^2 .

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 3850249 - 21 = 3850247 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 3850249.

It is not an unprimeable number, because it can be changed into a prime (3850241) 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, 159 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (523089).

Almost surely, 23850249 is an apocalyptic number.

It is an amenable number.

3850249 is a deficient number, since it is larger than the sum of its proper divisors (334463).

3850249 is a wasteful number, since it uses less digits than its factorization.

3850249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3850249 is about 1962.2051370843. The cubic root of 3850249 is about 156.7338995170.

The spelling of 3850249 in words is "three million, eight hundred fifty thousand, two hundred forty-nine".

Divisors: 1 13 113 1469 2621 34073 296173 3850249