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683035405 = 51329362353
BaseRepresentation
bin101000101101100…
…100101100001101
31202121020210102121
4220231210230031
52344324113110
6151435452541
722632463603
oct5055445415
91677223377
10683035405
11320612678
121708b7151
13ab67c780
14669dd873
153ee70cda
hex28b64b0d

683035405 has 16 divisors (see below), whose sum is σ = 913132080. Its totient is φ = 487001088.

The previous prime is 683035403. The next prime is 683035477. The reversal of 683035405 is 504530386.

It can be written as a sum of positive squares in 8 ways, for example, as 71808676 + 611226729 = 8474^2 + 24723^2 .

It is a cyclic number.

It is not a de Polignac number, because 683035405 - 21 = 683035403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683035403) 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, 179292 + ... + 183061.

It is an arithmetic number, because the mean of its divisors is an integer number (57070755).

Almost surely, 2683035405 is an apocalyptic number.

683035405 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

683035405 is a deficient number, since it is larger than the sum of its proper divisors (230096675).

683035405 is a wasteful number, since it uses less digits than its factorization.

683035405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362400.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 683035405 is about 26134.9460493034. The cubic root of 683035405 is about 880.6724392885.

The spelling of 683035405 in words is "six hundred eighty-three million, thirty-five thousand, four hundred five".

Divisors: 1 5 13 29 65 145 377 1885 362353 1811765 4710589 10508237 23552945 52541185 136607081 683035405