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683641 = 7127769
BaseRepresentation
bin10100110111001111001
31021201210001
42212321321
5133334031
622353001
75545060
oct2467171
91251701
10683641
114276a2
1228b761
131ac22a
1413b1d7
15d7861
hexa6e79

683641 has 8 divisors (see below), whose sum is σ = 788480. Its totient is φ = 580608.

The previous prime is 683603. The next prime is 683651. The reversal of 683641 is 146386.

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

It is not a de Polignac number, because 683641 - 27 = 683513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (98560).

2683641 is an apocalyptic number.

It is an amenable number.

683641 is a deficient number, since it is larger than the sum of its proper divisors (104839).

683641 is a wasteful number, since it uses less digits than its factorization.

683641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its digits is 3456, while the sum is 28.

The square root of 683641 is about 826.8258583281. The cubic root of 683641 is about 88.0932637261.

The spelling of 683641 in words is "six hundred eighty-three thousand, six hundred forty-one".

Divisors: 1 7 127 769 889 5383 97663 683641