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683357725 = 5297281797
BaseRepresentation
bin101000101110110…
…011011000011101
31202121212011120101
4220232303120131
52344414421400
6151450421101
722635305401
oct5056633035
91677764511
10683357725
11320812856
12170a31791
13ab7633ab
1466a85101
153eed656a
hex28bb361d

683357725 has 12 divisors (see below), whose sum is σ = 856102324. Its totient is φ = 541048320.

The previous prime is 683357713. The next prime is 683357749. The reversal of 683357725 is 527753386.

It can be written as a sum of positive squares in 6 ways, for example, as 39162564 + 644195161 = 6258^2 + 25381^2 .

It is not a de Polignac number, because 683357725 - 211 = 683355677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138474 + ... + 143323.

Almost surely, 2683357725 is an apocalyptic number.

It is an amenable number.

683357725 is a deficient number, since it is larger than the sum of its proper divisors (172744599).

683357725 is a wasteful number, since it uses less digits than its factorization.

683357725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281904 (or 281899 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 683357725 is about 26141.1117781934. Note that the first 3 decimals coincide. The cubic root of 683357725 is about 880.8109453844.

The spelling of 683357725 in words is "six hundred eighty-three million, three hundred fifty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 97 485 2425 281797 1408985 7044925 27334309 136671545 683357725