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683815480 = 235178911299
BaseRepresentation
bin101000110000100…
…011001000111000
31202122201102111021
4220300203020320
52400024043410
6151504312224
722642223065
oct5060431070
91678642437
10683815480
11320aa5767
12171012674
13ab89385a
1466b63c6c
1540076eda
hex28c23238

683815480 has 64 divisors (see below), whose sum is σ = 1647540000. Its totient is φ = 254521344.

The previous prime is 683815471. The next prime is 683815513. The reversal of 683815480 is 84518386.

It is a super-2 number, since 2×6838154802 = 935207221375260800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54871 + ... + 66169.

Almost surely, 2683815480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683815480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823770000).

683815480 is an abundant number, since it is smaller than the sum of its proper divisors (963724520).

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

683815480 is a wasteful number, since it uses less digits than its factorization.

683815480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11416 (or 11412 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 683815480 is about 26149.8657740341. The cubic root of 683815480 is about 881.0075752532.

The spelling of 683815480 in words is "six hundred eighty-three million, eight hundred fifteen thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 89 136 170 178 340 356 445 680 712 890 1513 1780 3026 3560 6052 7565 11299 12104 15130 22598 30260 45196 56495 60520 90392 112990 192083 225980 384166 451960 768332 960415 1005611 1536664 1920830 2011222 3841660 4022444 5028055 7683320 8044888 10056110 17095387 20112220 34190774 40224440 68381548 85476935 136763096 170953870 341907740 683815480