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243051342 = 2340508557
BaseRepresentation
bin11100111110010…
…10101101001110
3121221100021202120
432133022231032
5444210120332
640041233410
76010621332
oct1637125516
9557307676
10243051342
11115218086
1269492866
133b47b981
14243cb7c2
151651032c
hexe7cab4e

243051342 has 8 divisors (see below), whose sum is σ = 486102696. Its totient is φ = 81017112.

The previous prime is 243051331. The next prime is 243051343. The reversal of 243051342 is 243150342.

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

243051342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243051343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20254273 + ... + 20254284.

It is an arithmetic number, because the mean of its divisors is an integer number (60762837).

Almost surely, 2243051342 is an apocalyptic number.

243051342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243051342 is a wasteful number, since it uses less digits than its factorization.

243051342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40508562.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 243051342 is about 15590.1039765615. The cubic root of 243051342 is about 624.0690926535.

The spelling of 243051342 in words is "two hundred forty-three million, fifty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 40508557 81017114 121525671 243051342