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6720214 = 27942533
BaseRepresentation
bin11001101000101011010110
3110122102101211
4121220223112
53210021324
6400012034
7111056314
oct31505326
913572354
106720214
11387aaa6
12230101a
131513a77
14c6d0b4
158cb294
hex668ad6

6720214 has 8 divisors (see below), whose sum is σ = 10208160. Its totient is φ = 3317496.

The previous prime is 6720191. The next prime is 6720227. The reversal of 6720214 is 4120276.

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

It is a super-2 number, since 2×67202142 = 90322552411592, which contains 22 as substring.

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, 21109 + ... + 21424.

It is an arithmetic number, because the mean of its divisors is an integer number (1276020).

Almost surely, 26720214 is an apocalyptic number.

6720214 is a deficient number, since it is larger than the sum of its proper divisors (3487946).

6720214 is a wasteful number, since it uses less digits than its factorization.

6720214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42614.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 6720214 is about 2592.3375551807. The cubic root of 6720214 is about 188.7097623392.

The spelling of 6720214 in words is "six million, seven hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 79 158 42533 85066 3360107 6720214