242810 has 8 divisors (see below), whose sum is σ = 437076. Its totient is φ = 97120.
The previous prime is 242807. The next prime is 242813. The reversal of 242810 is 18242.
It is an interprime number because it is at equal distance from previous prime (242807) and next prime (242813).
It can be written as a sum of positive squares in 2 ways, for example, as 231361 + 11449 = 481^2 + 107^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2428102 = 117913392200, which contains 22 as substring.
It is a nialpdrome in base 12.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242810.
It is not an unprimeable number, because it can be changed into a prime (242813) 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 3 ways as a sum of consecutive naturals, for example, 12131 + ... + 12150.
2242810 is an apocalyptic number.
242810 is a deficient number, since it is larger than the sum of its proper divisors (194266).
242810 is a wasteful number, since it uses less digits than its factorization.
242810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24288.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 242810 is about 492.7575468727. The cubic root of 242810 is about 62.3862464209.
The spelling of 242810 in words is "two hundred forty-two thousand, eight hundred ten".
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