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4251241 = 17250073
BaseRepresentation
bin10000001101111001101001
321222222121101
4100031321221
52042014431
6231041401
751064201
oct20157151
97888541
104251241
112444025
121510261
13b5b037
147c9401
1558e961
hex40de69

4251241 has 4 divisors (see below), whose sum is σ = 4501332. Its totient is φ = 4001152.

The previous prime is 4251239. The next prime is 4251253. The reversal of 4251241 is 1421524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2371600 + 1879641 = 1540^2 + 1371^2 .

It is a cyclic number.

It is not a de Polignac number, because 4251241 - 21 = 4251239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125020 + ... + 125053.

It is an arithmetic number, because the mean of its divisors is an integer number (1125333).

Almost surely, 24251241 is an apocalyptic number.

It is an amenable number.

4251241 is a deficient number, since it is larger than the sum of its proper divisors (250091).

4251241 is a wasteful number, since it uses less digits than its factorization.

4251241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250090.

The product of its digits is 320, while the sum is 19.

The square root of 4251241 is about 2061.8537775507. The cubic root of 4251241 is about 161.9963546403.

Adding to 4251241 its reverse (1421524), we get a palindrome (5672765).

The spelling of 4251241 in words is "four million, two hundred fifty-one thousand, two hundred forty-one".

Divisors: 1 17 250073 4251241