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6681214 = 214272341
BaseRepresentation
bin11001011111001001111110
3110120102220101
4121133021332
53202244324
6355111314
7110534521
oct31371176
913512811
106681214
113853771
1222a253a
1314cc0a7
14c5cbb8
158be944
hex65f27e

6681214 has 8 divisors (see below), whose sum is σ = 10033128. Its totient is φ = 3336840.

The previous prime is 6681209. The next prime is 6681239. The reversal of 6681214 is 4121866.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684 + ... + 4024.

It is an arithmetic number, because the mean of its divisors is an integer number (1254141).

Almost surely, 26681214 is an apocalyptic number.

6681214 is a deficient number, since it is larger than the sum of its proper divisors (3351914).

6681214 is a wasteful number, since it uses less digits than its factorization.

6681214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770.

The product of its digits is 2304, while the sum is 28.

The square root of 6681214 is about 2584.8044413456. The cubic root of 6681214 is about 188.3440019713.

The spelling of 6681214 in words is "six million, six hundred eighty-one thousand, two hundred fourteen".

Divisors: 1 2 1427 2341 2854 4682 3340607 6681214