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6680217 = 312791741
BaseRepresentation
bin11001011110111010011001
3110120101112110
4121132322121
53202231332
6355102533
7110531565
oct31367231
913511473
106680217
113852a45
1222a1a49
1314cb7bb
14c5c6a5
158be4cc
hex65ee99

6680217 has 8 divisors (see below), whose sum is σ = 8919040. Its totient is φ = 4447440.

The previous prime is 6680203. The next prime is 6680227. The reversal of 6680217 is 7120866.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-6680217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6680227) 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, 2967 + ... + 4707.

It is an arithmetic number, because the mean of its divisors is an integer number (1114880).

Almost surely, 26680217 is an apocalyptic number.

It is an amenable number.

6680217 is a deficient number, since it is larger than the sum of its proper divisors (2238823).

6680217 is a wasteful number, since it uses less digits than its factorization.

6680217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 6680217 is about 2584.6115762335. The cubic root of 6680217 is about 188.3346329998.

The spelling of 6680217 in words is "six million, six hundred eighty thousand, two hundred seventeen".

Divisors: 1 3 1279 1741 3837 5223 2226739 6680217