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252246941 = 817130871
BaseRepresentation
bin11110000100011…
…11101110011101
3122120122110202022
433002033232131
51004033400231
641010305525
76152030552
oct1702175635
9576573668
10252246941
1111a428951
12705882a5
134034b35b
1425702a29
1517229c7b
hexf08fb9d

252246941 has 4 divisors (see below), whose sum is σ = 252285984. Its totient is φ = 252207900.

The previous prime is 252246937. The next prime is 252246977. The reversal of 252246941 is 149642252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252246941 - 22 = 252246937 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252246931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7265 + ... + 23606.

It is an arithmetic number, because the mean of its divisors is an integer number (63071496).

Almost surely, 2252246941 is an apocalyptic number.

It is an amenable number.

252246941 is a deficient number, since it is larger than the sum of its proper divisors (39043).

252246941 is an equidigital number, since it uses as much as digits as its factorization.

252246941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39042.

The product of its digits is 34560, while the sum is 35.

The square root of 252246941 is about 15882.2838722899. The cubic root of 252246941 is about 631.8422109492.

The spelling of 252246941 in words is "two hundred fifty-two million, two hundred forty-six thousand, nine hundred forty-one".

Divisors: 1 8171 30871 252246941