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248315 = 549663
BaseRepresentation
bin111100100111111011
3110121121212
4330213323
530421230
65153335
72052644
oct744773
9417555
10248315
1115a621
12bb84b
1389042
14666cb
154d895
hex3c9fb

248315 has 4 divisors (see below), whose sum is σ = 297984. Its totient is φ = 198648.

The previous prime is 248309. The next prime is 248317. The reversal of 248315 is 513842.

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 248315 - 24 = 248299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24827 + ... + 24836.

It is an arithmetic number, because the mean of its divisors is an integer number (74496).

2248315 is an apocalyptic number.

248315 is a deficient number, since it is larger than the sum of its proper divisors (49669).

248315 is an equidigital number, since it uses as much as digits as its factorization.

248315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49668.

The product of its digits is 960, while the sum is 23.

The square root of 248315 is about 498.3121511663. The cubic root of 248315 is about 62.8542021942.

The spelling of 248315 in words is "two hundred forty-eight thousand, three hundred fifteen".

Divisors: 1 5 49663 248315