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242495 = 5114409
BaseRepresentation
bin111011001100111111
3110022122022
4323030333
530224440
65110355
72026661
oct731477
9408568
10242495
11156210
12b83bb
13864b6
1464531
154bcb5
hex3b33f

242495 has 8 divisors (see below), whose sum is σ = 317520. Its totient is φ = 176320.

The previous prime is 242491. The next prime is 242509. The reversal of 242495 is 594242.

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

It is not a de Polignac number, because 242495 - 22 = 242491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242491) 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 7 ways as a sum of consecutive naturals, for example, 2150 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2242495 is an apocalyptic number.

242495 is a deficient number, since it is larger than the sum of its proper divisors (75025).

242495 is a wasteful number, since it uses less digits than its factorization.

242495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425.

The product of its digits is 2880, while the sum is 26.

The square root of 242495 is about 492.4378133328. The cubic root of 242495 is about 62.3592566321.

It can be divided in two parts, 242 and 495, that added together give a palindrome (737).

The spelling of 242495 in words is "two hundred forty-two thousand, four hundred ninety-five".

Divisors: 1 5 11 55 4409 22045 48499 242495