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1730349040 = 24573089909
BaseRepresentation
bin110011100100011…
…0000011111110000
311110120221211122111
41213020300133300
512020432132130
6443411215104
760610503250
oct14710603760
94416854574
101730349040
11808811932
124035a7494
13217644394
14125b45960
15a1d9b02a
hex672307f0

1730349040 has 40 divisors (see below), whose sum is σ = 4597786080. Its totient is φ = 593262336.

The previous prime is 1730349031. The next prime is 1730349053. The reversal of 1730349040 is 409430371.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1730348993 and 1730349011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544395 + ... + 1545514.

It is an arithmetic number, because the mean of its divisors is an integer number (114944652).

Almost surely, 21730349040 is an apocalyptic number.

1730349040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1730349040 is an abundant number, since it is smaller than the sum of its proper divisors (2867437040).

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

1730349040 is a wasteful number, since it uses less digits than its factorization.

1730349040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089929 (or 3089923 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1730349040 is about 41597.4643457988. The cubic root of 1730349040 is about 1200.5435130501.

The spelling of 1730349040 in words is "one billion, seven hundred thirty million, three hundred forty-nine thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 3089909 6179818 12359636 15449545 21629363 24719272 30899090 43258726 49438544 61798180 86517452 108146815 123596360 173034904 216293630 247192720 346069808 432587260 865174520 1730349040