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242750 = 253971
BaseRepresentation
bin111011010000111110
3110022222202
4323100332
530232000
65111502
72030504
oct732076
9408882
10242750
11156422
12b8592
1386651
1464674
154bdd5
hex3b43e

242750 has 16 divisors (see below), whose sum is σ = 454896. Its totient is φ = 97000.

The previous prime is 242747. The next prime is 242773. The reversal of 242750 is 57242.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

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, 236 + ... + 735.

It is an arithmetic number, because the mean of its divisors is an integer number (28431).

2242750 is an apocalyptic number.

242750 is a deficient number, since it is larger than the sum of its proper divisors (212146).

242750 is an equidigital number, since it uses as much as digits as its factorization.

242750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 242750 is about 492.6966612430. The cubic root of 242750 is about 62.3811073092.

Adding to 242750 its reverse (57242), we get a palindrome (299992).

The spelling of 242750 in words is "two hundred forty-two thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 971 1942 4855 9710 24275 48550 121375 242750