Search a number
-
+
6680814 = 237732179
BaseRepresentation
bin11001011111000011101110
3110120102100120
4121133003232
53202241224
6355105410
7110533410
oct31370356
913512316
106680814
113853438
1222a2266
1314cbb5a
14c5c9b0
158be779
hex65f0ee

6680814 has 32 divisors (see below), whose sum is σ = 15486720. Its totient is φ = 1881792.

The previous prime is 6680797. The next prime is 6680851. The reversal of 6680814 is 4180866.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977 + ... + 4155.

It is an arithmetic number, because the mean of its divisors is an integer number (483960).

Almost surely, 26680814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6680814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7743360).

6680814 is an abundant number, since it is smaller than the sum of its proper divisors (8805906).

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

6680814 is a wasteful number, since it uses less digits than its factorization.

6680814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 6680814 is about 2584.7270648949. The cubic root of 6680814 is about 188.3402432181.

The spelling of 6680814 in words is "six million, six hundred eighty thousand, eight hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1533 2179 3066 4358 6537 13074 15253 30506 45759 91518 159067 318134 477201 954402 1113469 2226938 3340407 6680814