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248135 = 549627
BaseRepresentation
bin111100100101000111
3110121101012
4330211013
530420020
65152435
72052266
oct744507
9417335
10248135
1115a478
12bb71b
1388c34
14665dd
154d7c5
hex3c947

248135 has 4 divisors (see below), whose sum is σ = 297768. Its totient is φ = 198504.

The previous prime is 248119. The next prime is 248137. The reversal of 248135 is 531842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531842 = 2265921.

It is a cyclic number.

It is not a de Polignac number, because 248135 - 24 = 248119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248137) 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, 24809 + ... + 24818.

It is an arithmetic number, because the mean of its divisors is an integer number (74442).

2248135 is an apocalyptic number.

248135 is a deficient number, since it is larger than the sum of its proper divisors (49633).

248135 is an equidigital number, since it uses as much as digits as its factorization.

248135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49632.

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

The square root of 248135 is about 498.1315087404. The cubic root of 248135 is about 62.8390111516.

Adding to 248135 its reverse (531842), we get a palindrome (779977).

It can be divided in two parts, 248 and 135, that added together give a palindrome (383).

The spelling of 248135 in words is "two hundred forty-eight thousand, one hundred thirty-five".

Divisors: 1 5 49627 248135