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6683820 = 223511131941
BaseRepresentation
bin11001011111110010101100
3110120120110220
4121133302230
53202340240
6355131340
7110545233
oct31376254
913516426
106683820
113855720
1222a3b50
131500330
14c5db1a
158c05d0
hex65fcac

6683820 has 192 divisors, whose sum is σ = 23708160. Its totient is φ = 1382400.

The previous prime is 6683797. The next prime is 6683821. The reversal of 6683820 is 283866.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (6683821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 163000 + ... + 163040.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

Almost surely, 26683820 is an apocalyptic number.

6683820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6683820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11854080).

6683820 is an abundant number, since it is smaller than the sum of its proper divisors (17024340).

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

6683820 is a wasteful number, since it uses less digits than its factorization.

6683820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6683820 is about 2585.3084922307. The cubic root of 6683820 is about 188.3684865768.

It can be divided in two parts, 6683 and 820, that added together give a triangular number (7503 = T122).

The spelling of 6683820 in words is "six million, six hundred eighty-three thousand, eight hundred twenty".