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242430 = 2358081
BaseRepresentation
bin111011001011111110
3110022112220
4323023332
530224210
65110210
72026536
oct731376
9408486
10242430
11156161
12b8366
1386466
14644c6
154bc70
hex3b2fe

242430 has 16 divisors (see below), whose sum is σ = 581904. Its totient is φ = 64640.

The previous prime is 242419. The next prime is 242441. The reversal of 242430 is 34242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242419) and next prime (242441).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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, 4011 + ... + 4070.

It is an arithmetic number, because the mean of its divisors is an integer number (36369).

2242430 is an apocalyptic number.

242430 is an abundant number, since it is smaller than the sum of its proper divisors (339474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242430 is a wasteful number, since it uses less digits than its factorization.

242430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 242430 is about 492.3718107284. The cubic root of 242430 is about 62.3536844019.

Adding to 242430 its reverse (34242), we get a palindrome (276672).

The spelling of 242430 in words is "two hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 8081 16162 24243 40405 48486 80810 121215 242430