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4249885 = 53972141
BaseRepresentation
bin10000001101100100011101
321222220202011
4100031210131
52041444020
6231031221
751060223
oct20154435
97886664
104249885
112443002
12150b511
13b5a533
147c8b13
1558e35a
hex40d91d

4249885 has 8 divisors (see below), whose sum is σ = 5115096. Its totient is φ = 3389760.

The previous prime is 4249873. The next prime is 4249897. The reversal of 4249885 is 5889424.

It is an interprime number because it is at equal distance from previous prime (4249873) and next prime (4249897).

It can be written as a sum of positive squares in 4 ways, for example, as 1734489 + 2515396 = 1317^2 + 1586^2 .

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

It is not a de Polignac number, because 4249885 - 25 = 4249853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (639387).

Almost surely, 24249885 is an apocalyptic number.

It is an amenable number.

4249885 is a deficient number, since it is larger than the sum of its proper divisors (865211).

4249885 is a wasteful number, since it uses less digits than its factorization.

4249885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543.

The product of its digits is 92160, while the sum is 40.

The square root of 4249885 is about 2061.5249210233. The cubic root of 4249885 is about 161.9791290493.

The spelling of 4249885 in words is "four million, two hundred forty-nine thousand, eight hundred eighty-five".

Divisors: 1 5 397 1985 2141 10705 849977 4249885