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6880216 = 237122861
BaseRepresentation
bin11010001111101111011000
3110221112212211
4122033233120
53230131331
6403244504
7112323640
oct32175730
913845784
106880216
11397a232
122379734
13156b845
14cb1520
1590d8b1
hex68fbd8

6880216 has 16 divisors (see below), whose sum is σ = 14743440. Its totient is φ = 2948640.

The previous prime is 6880193. The next prime is 6880229. The reversal of 6880216 is 6120886.

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, 61375 + ... + 61486.

It is an arithmetic number, because the mean of its divisors is an integer number (921465).

Almost surely, 26880216 is an apocalyptic number.

It is an amenable number.

6880216 is an abundant number, since it is smaller than the sum of its proper divisors (7863224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6880216 is a wasteful number, since it uses less digits than its factorization.

6880216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122874 (or 122870 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 6880216 is about 2623.0165840116. The cubic root of 6880216 is about 190.1956986396.

The spelling of 6880216 in words is "six million, eight hundred eighty thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 122861 245722 491444 860027 982888 1720054 3440108 6880216