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248835 = 3553313
BaseRepresentation
bin111100110000000011
3110122100010
4330300003
530430320
65200003
72054316
oct746003
9418303
10248835
1115aa54
12100003
1389352
146697d
154dae0
hex3cc03

248835 has 16 divisors (see below), whose sum is σ = 406944. Its totient is φ = 129792.

The previous prime is 248827. The next prime is 248839. The reversal of 248835 is 538842.

248835 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 248835 - 23 = 248827 is a prime.

248835 is strictly pandigital in base 7.

248835 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (25434).

248835 is a Friedman number, since it can be written as 8+(8+4)^5-3-2, using all its digits and the basic arithmetic operations.

2248835 is an apocalyptic number.

248835 is a deficient number, since it is larger than the sum of its proper divisors (158109).

248835 is a wasteful number, since it uses less digits than its factorization.

248835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its digits is 7680, while the sum is 30.

The square root of 248835 is about 498.8336396034. The cubic root of 248835 is about 62.8980462321.

Adding to 248835 its sum of digits (30), we get a triangular number (248865 = T705).

The spelling of 248835 in words is "two hundred forty-eight thousand, eight hundred thirty-five".

Divisors: 1 3 5 15 53 159 265 313 795 939 1565 4695 16589 49767 82945 248835