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243468130 = 2546495237
BaseRepresentation
bin11101000001100…
…00011101100010
3121222010110111011
432200300131202
5444311440010
640054211134
76014305423
oct1640603542
9558113434
10243468130
11115482234
1269653aaa
133b5965a9
142449964a
1516593a8a
hexe830762

243468130 has 16 divisors (see below), whose sum is σ = 438420600. Its totient is φ = 97347712.

The previous prime is 243468077. The next prime is 243468139. The reversal of 243468130 is 31864342.

It can be written as a sum of positive squares in 4 ways, for example, as 242767561 + 700569 = 15581^2 + 837^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243468092 and 243468101.

It is not an unprimeable number, because it can be changed into a prime (243468139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43872 + ... + 49108.

Almost surely, 2243468130 is an apocalyptic number.

243468130 is a deficient number, since it is larger than the sum of its proper divisors (194952470).

243468130 is a wasteful number, since it uses less digits than its factorization.

243468130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9893.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 243468130 is about 15603.4653202422. The cubic root of 243468130 is about 624.4256098833.

The spelling of 243468130 in words is "two hundred forty-three million, four hundred sixty-eight thousand, one hundred thirty".

Divisors: 1 2 5 10 4649 5237 9298 10474 23245 26185 46490 52370 24346813 48693626 121734065 243468130