Search a number
-
+
6677140 = 225333857
BaseRepresentation
bin11001011110001010010100
3110120020022111
4121132022110
53202132030
6355040404
7110516611
oct31361224
913506274
106677140
1138506a8
1222a0104
1314ca292
14c5b508
158bd62a
hex65e294

6677140 has 12 divisors (see below), whose sum is σ = 14022036. Its totient is φ = 2670848.

The previous prime is 6677129. The next prime is 6677147. The reversal of 6677140 is 417766.

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 5934096 = 862^2 + 2436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6677147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166909 + ... + 166948.

It is an arithmetic number, because the mean of its divisors is an integer number (1168503).

Almost surely, 26677140 is an apocalyptic number.

It is an amenable number.

6677140 is an abundant number, since it is smaller than the sum of its proper divisors (7344896).

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

6677140 is a wasteful number, since it uses less digits than its factorization.

6677140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333866 (or 333864 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 6677140 is about 2584.0162538188. The cubic root of 6677140 is about 188.3057120498.

The spelling of 6677140 in words is "six million, six hundred seventy-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 333857 667714 1335428 1669285 3338570 6677140