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2231434530 = 2325131907209
BaseRepresentation
bin1000010100000000…
…1111110100100010
312202111211121201100
42011000033310202
514032221401110
61005231215230
7106203611013
oct20500176442
95674747640
102231434530
11a4564a876
12523377516
132973b9580
1417250100a
15d0d7abc0
hex8500fd22

2231434530 has 48 divisors (see below), whose sum is σ = 6248019960. Its totient is φ = 549275904.

The previous prime is 2231434523. The next prime is 2231434549. The reversal of 2231434530 is 354341322.

2231434530 is a `hidden beast` number, since 2 + 2 + 314 + 345 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2030673969 + 200760561 = 45063^2 + 14169^2 .

It is a super-3 number, since 3×22314345303 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231434494 and 2231434503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 952435 + ... + 954774.

Almost surely, 22231434530 is an apocalyptic number.

2231434530 is an abundant number, since it is smaller than the sum of its proper divisors (4016585430).

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

2231434530 is a wasteful number, since it uses less digits than its factorization.

2231434530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907235 (or 1907232 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2231434530 is about 47238.0623014958. The cubic root of 2231434530 is about 1306.7566425819.

Adding to 2231434530 its reverse (354341322), we get a palindrome (2585775852).

The spelling of 2231434530 in words is "two billion, two hundred thirty-one million, four hundred thirty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 1907209 3814418 5721627 9536045 11443254 17164881 19072090 24793717 28608135 34329762 49587434 57216270 74381151 85824405 123968585 148762302 171648810 223143453 247937170 371905755 446286906 743811510 1115717265 2231434530