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6681353 = 71376967
BaseRepresentation
bin11001011111001100001001
3110120110002112
4121133030021
53202300403
6355112105
7110535110
oct31371411
913513075
106681353
113853888
1222a2635
1314cc183
14c5cc77
158be9d8
hex65f309

6681353 has 8 divisors (see below), whose sum is σ = 7692672. Its totient is φ = 5684256.

The previous prime is 6681329. The next prime is 6681359. The reversal of 6681353 is 3531866.

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

It is a cyclic number.

It is not a de Polignac number, because 6681353 - 210 = 6680329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6681359) 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, 2525 + ... + 4442.

It is an arithmetic number, because the mean of its divisors is an integer number (961584).

Almost surely, 26681353 is an apocalyptic number.

It is an amenable number.

6681353 is a deficient number, since it is larger than the sum of its proper divisors (1011319).

6681353 is a wasteful number, since it uses less digits than its factorization.

6681353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111.

The product of its digits is 12960, while the sum is 32.

The square root of 6681353 is about 2584.8313291199. The cubic root of 6681353 is about 188.3453081029.

It can be divided in two parts, 66813 and 53, that added together give a palindrome (66866).

The spelling of 6681353 in words is "six million, six hundred eighty-one thousand, three hundred fifty-three".

Divisors: 1 7 137 959 6967 48769 954479 6681353