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683107131 = 3732528911
BaseRepresentation
bin101000101101110…
…110001100111011
31202121101102211010
4220231312030323
52344333412011
6151441205003
722633212660
oct5055661473
91677342733
10683107131
11320661553
12170930763
13ab6a6305
1466a1ba67
153ee871a6
hex28b7633b

683107131 has 8 divisors (see below), whose sum is σ = 1040925184. Its totient is φ = 390346920.

The previous prime is 683107121. The next prime is 683107147. The reversal of 683107131 is 131701386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 683107131 - 25 = 683107099 is a prime.

It is a super-2 number, since 2×6831071312 = 933270704846102322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683107121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16264435 + ... + 16264476.

It is an arithmetic number, because the mean of its divisors is an integer number (130115648).

Almost surely, 2683107131 is an apocalyptic number.

683107131 is a deficient number, since it is larger than the sum of its proper divisors (357818053).

683107131 is a wasteful number, since it uses less digits than its factorization.

683107131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32528921.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 683107131 is about 26136.3182372728. The cubic root of 683107131 is about 880.7032648748.

The spelling of 683107131 in words is "six hundred eighty-three million, one hundred seven thousand, one hundred thirty-one".

Divisors: 1 3 7 21 32528911 97586733 227702377 683107131