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683907387 = 34744310949
BaseRepresentation
bin101000110000111…
…001100100111011
31202122220002120020
4220300321210323
52400040014022
6151510301523
722643055042
oct5060714473
91678802506
10683907387
11321058819
121710578a3
13ab8c6637
1466b89559
154009435c
hex28c3993b

683907387 has 16 divisors (see below), whose sum is σ = 933465600. Its totient is φ = 445189472.

The previous prime is 683907373. The next prime is 683907401. The reversal of 683907387 is 783709386.

683907387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (683907373) and next prime (683907401).

It is a cyclic number.

It is not a de Polignac number, because 683907387 - 214 = 683891003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (683907317) 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, 56989 + ... + 67937.

It is an arithmetic number, because the mean of its divisors is an integer number (58341600).

Almost surely, 2683907387 is an apocalyptic number.

683907387 is a deficient number, since it is larger than the sum of its proper divisors (249558213).

683907387 is a wasteful number, since it uses less digits than its factorization.

683907387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 683907387 is about 26151.6230280264. The cubic root of 683907387 is about 881.0470435690.

The spelling of 683907387 in words is "six hundred eighty-three million, nine hundred seven thousand, three hundred eighty-seven".

Divisors: 1 3 47 141 443 1329 10949 20821 32847 62463 514603 1543809 4850407 14551221 227969129 683907387