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683989754 = 27173282407
BaseRepresentation
bin101000110001001…
…101101011111010
31202200001021112212
4220301031223322
52400100133004
6151512135122
722643550140
oct5061155372
91680037485
10683989754
11321104698
121710974a2
13ab924c86
1466bab590
15400ad96e
hex28c4dafa

683989754 has 16 divisors (see below), whose sum is σ = 1179335808. Its totient is φ = 291442992.

The previous prime is 683989753. The next prime is 683989799. The reversal of 683989754 is 457989386.

It is a junction number, because it is equal to n+sod(n) for n = 683989693 and 683989702.

It is not an unprimeable number, because it can be changed into a prime (683989753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138782 + ... + 143625.

It is an arithmetic number, because the mean of its divisors is an integer number (73708488).

Almost surely, 2683989754 is an apocalyptic number.

683989754 is a deficient number, since it is larger than the sum of its proper divisors (495346054).

683989754 is a wasteful number, since it uses less digits than its factorization.

683989754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282589.

The product of its digits is 13063680, while the sum is 59.

The square root of 683989754 is about 26153.1977777097. The cubic root of 683989754 is about 881.0824120463.

The spelling of 683989754 in words is "six hundred eighty-three million, nine hundred eighty-nine thousand, seven hundred fifty-four".

Divisors: 1 2 7 14 173 346 1211 2422 282407 564814 1976849 3953698 48856411 97712822 341994877 683989754