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683438042 = 2748817003
BaseRepresentation
bin101000101111000…
…110111111011010
31202122000020202002
4220233012333122
52344430004132
6151452241002
722636061510
oct5057067732
91678006662
10683438042
11320868131
12170a70162
13ab790b11
1466aa64b0
1540000262
hex28bc6fda

683438042 has 8 divisors (see below), whose sum is σ = 1171608096. Its totient is φ = 292902012.

The previous prime is 683438039. The next prime is 683438047. The reversal of 683438042 is 240834386.

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

It is a junction number, because it is equal to n+sod(n) for n = 683437987 and 683438005.

It is not an unprimeable number, because it can be changed into a prime (683438047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24408488 + ... + 24408515.

It is an arithmetic number, because the mean of its divisors is an integer number (146451012).

Almost surely, 2683438042 is an apocalyptic number.

683438042 is a deficient number, since it is larger than the sum of its proper divisors (488170054).

683438042 is a wasteful number, since it uses less digits than its factorization.

683438042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48817012.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 683438042 is about 26142.6479531053. The cubic root of 683438042 is about 880.8454521143.

The spelling of 683438042 in words is "six hundred eighty-three million, four hundred thirty-eight thousand, forty-two".

Divisors: 1 2 7 14 48817003 97634006 341719021 683438042