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1730012340 = 223574119077
BaseRepresentation
bin110011100011101…
…1110010010110100
311110120022201210010
41213013132102310
512020340343330
6443400100220
760604601520
oct14707362264
94416281703
101730012340
11808601971
12403464670
13217557054
14125a98d80
15a1d313b0
hex671de4b4

1730012340 has 48 divisors (see below), whose sum is σ = 5536040832. Its totient is φ = 395431296.

The previous prime is 1730012311. The next prime is 1730012351. The reversal of 1730012340 is 432100371.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2059119 + ... + 2059958.

It is an arithmetic number, because the mean of its divisors is an integer number (115334184).

Almost surely, 21730012340 is an apocalyptic number.

1730012340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1730012340 is an abundant number, since it is smaller than the sum of its proper divisors (3806028492).

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

1730012340 is a wasteful number, since it uses less digits than its factorization.

1730012340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119096 (or 4119094 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1730012340 is about 41593.4170272172. The cubic root of 1730012340 is about 1200.4656387382.

The spelling of 1730012340 in words is "one billion, seven hundred thirty million, twelve thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 4119077 8238154 12357231 16476308 20595385 24714462 28833539 41190770 49428924 57667078 61786155 82381540 86500617 115334156 123572310 144167695 173001234 247144620 288335390 346002468 432503085 576670780 865006170 1730012340