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248441399 = 709350411
BaseRepresentation
bin11101100111011…
…10101000110111
3122022111010112022
432303232220313
51002100111044
640352543355
76104500643
oct1663565067
9568433468
10248441399
11118269778
126b251b5b
133c61815b
1424dd1c23
1516c273ee
hexeceea37

248441399 has 4 divisors (see below), whose sum is σ = 248792520. Its totient is φ = 248090280.

The previous prime is 248441393. The next prime is 248441407. The reversal of 248441399 is 993144842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993144842 = 2496572421.

It is a cyclic number.

It is not a de Polignac number, because 248441399 - 216 = 248375863 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 (248441393) 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, 174497 + ... + 175914.

It is an arithmetic number, because the mean of its divisors is an integer number (62198130).

Almost surely, 2248441399 is an apocalyptic number.

248441399 is a deficient number, since it is larger than the sum of its proper divisors (351121).

248441399 is an equidigital number, since it uses as much as digits as its factorization.

248441399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351120.

The product of its digits is 248832, while the sum is 44.

The square root of 248441399 is about 15762.0239499881. The cubic root of 248441399 is about 628.6486521047.

The spelling of 248441399 in words is "two hundred forty-eight million, four hundred forty-one thousand, three hundred ninety-nine".

Divisors: 1 709 350411 248441399