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243848342 = 2121924171
BaseRepresentation
bin11101000100011…
…01010010010110
3121222211210001002
432202031102112
5444411121332
640110303302
76020451053
oct1642152226
9558753032
10243848342
11115711961
12697b7b32
133b69a67a
142455802a
151661b562
hexe88d496

243848342 has 4 divisors (see below), whose sum is σ = 365772516. Its totient is φ = 121924170.

The previous prime is 243848329. The next prime is 243848383.

243848342 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2438483422 = 118924027792297928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243848296 and 243848305.

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 as a sum of consecutive naturals, namely, 60962084 + ... + 60962087.

It is an arithmetic number, because the mean of its divisors is an integer number (91443129).

Almost surely, 2243848342 is an apocalyptic number.

243848342 is a deficient number, since it is larger than the sum of its proper divisors (121924174).

243848342 is a wasteful number, since it uses less digits than its factorization.

243848342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121924173.

The product of its digits is 147456, while the sum is 38.

The square root of 243848342 is about 15615.6441429741. The cubic root of 243848342 is about 624.7504855747.

The spelling of 243848342 in words is "two hundred forty-three million, eight hundred forty-eight thousand, three hundred forty-two".

Divisors: 1 2 121924171 243848342