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4249771 = 13132441
BaseRepresentation
bin10000001101100010101011
321222220120221
4100031202223
52041443041
6231030511
751060001
oct20154253
97886527
104249771
112442a09
12150b437
13b5a476
147c8a71
1558e2d1
hex40d8ab

4249771 has 4 divisors (see below), whose sum is σ = 4282344. Its totient is φ = 4217200.

The previous prime is 4249769. The next prime is 4249789. The reversal of 4249771 is 1779424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4249771 - 21 = 4249769 is a prime.

It is a super-3 number, since 3×42497713 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4249741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16090 + ... + 16351.

It is an arithmetic number, because the mean of its divisors is an integer number (1070586).

Almost surely, 24249771 is an apocalyptic number.

4249771 is a deficient number, since it is larger than the sum of its proper divisors (32573).

4249771 is a wasteful number, since it uses less digits than its factorization.

4249771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32572.

The product of its digits is 14112, while the sum is 34.

The square root of 4249771 is about 2061.4972714025. The cubic root of 4249771 is about 161.9776807132.

The spelling of 4249771 in words is "four million, two hundred forty-nine thousand, seven hundred seventy-one".

Divisors: 1 131 32441 4249771