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243289030 = 2524328903
BaseRepresentation
bin11101000000001…
…00101111000110
3121221210100210211
432200010233012
5444240222110
640050310034
76012631315
oct1640045706
9557710724
10243289030
1111536a716
126958831a
133b532c0a
142445027c
151655a98a
hexe804bc6

243289030 has 8 divisors (see below), whose sum is σ = 437920272. Its totient is φ = 97315608.

The previous prime is 243289001. The next prime is 243289043. The reversal of 243289030 is 30982342.

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

It is a junction number, because it is equal to n+sod(n) for n = 243288983 and 243289001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12164442 + ... + 12164461.

It is an arithmetic number, because the mean of its divisors is an integer number (54740034).

Almost surely, 2243289030 is an apocalyptic number.

243289030 is a deficient number, since it is larger than the sum of its proper divisors (194631242).

243289030 is a wasteful number, since it uses less digits than its factorization.

243289030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24328910.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 243289030 is about 15597.7251546500. The cubic root of 243289030 is about 624.2724590232.

The spelling of 243289030 in words is "two hundred forty-three million, two hundred eighty-nine thousand, thirty".

Divisors: 1 2 5 10 24328903 48657806 121644515 243289030