Search a number
-
+
242263 = 753653
BaseRepresentation
bin111011001001010111
3110022022201
4323021113
530223023
65105331
72026210
oct731127
9408281
10242263
1115601a
12b8247
1386368
1464407
154bbad
hex3b257

242263 has 8 divisors (see below), whose sum is σ = 282528. Its totient is φ = 203424.

The previous prime is 242261. The next prime is 242273. The reversal of 242263 is 362242.

242263 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242263 - 21 = 242261 is a prime.

It is a super-2 number, since 2×2422632 = 117382722338, which contains 22 as substring.

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 242263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 697.

It is an arithmetic number, because the mean of its divisors is an integer number (35316).

2242263 is an apocalyptic number.

242263 is a deficient number, since it is larger than the sum of its proper divisors (40265).

242263 is an equidigital number, since it uses as much as digits as its factorization.

242263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its digits is 576, while the sum is 19.

The square root of 242263 is about 492.2021942251. The cubic root of 242263 is about 62.3393634883.

It can be divided in two parts, 2422 and 63, that added together give a triangular number (2485 = T70).

The spelling of 242263 in words is "two hundred forty-two thousand, two hundred sixty-three".

Divisors: 1 7 53 371 653 4571 34609 242263