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4340231240 = 2351713746589
BaseRepresentation
bin1000000101011001…
…01010110001001000
3102012110220120222012
410002230222301020
532342044344430
61554402115052
7212361233252
oct40254526110
912173816865
104340231240
111927a46a74
12a1164ba88
13542267387
142d25dacd2
151a607e695
hex102b2ac48

4340231240 has 64 divisors (see below), whose sum is σ = 10415660400. Its totient is φ = 1622007808.

The previous prime is 4340231221. The next prime is 4340231243. The reversal of 4340231240 is 421320434.

It can be written as a sum of positive squares in 8 ways, for example, as 1526777476 + 2813453764 = 39074^2 + 53042^2 .

It is not an unprimeable number, because it can be changed into a prime (4340231243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69866 + ... + 116454.

Almost surely, 24340231240 is an apocalyptic number.

4340231240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4340231240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5207830200).

4340231240 is an abundant number, since it is smaller than the sum of its proper divisors (6075429160).

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

4340231240 is a wasteful number, since it uses less digits than its factorization.

4340231240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46754 (or 46750 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4340231240 is about 65880.4313889944. The cubic root of 4340231240 is about 1631.1890204105.

Adding to 4340231240 its reverse (421320434), we get a palindrome (4761551674).

The spelling of 4340231240 in words is "four billion, three hundred forty million, two hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 137 170 274 340 548 680 685 1096 1370 2329 2740 4658 5480 9316 11645 18632 23290 46580 46589 93160 93178 186356 232945 372712 465890 792013 931780 1584026 1863560 3168052 3960065 6336104 6382693 7920130 12765386 15840260 25530772 31680520 31913465 51061544 63826930 108505781 127653860 217011562 255307720 434023124 542528905 868046248 1085057810 2170115620 4340231240