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2660424 = 233138527
BaseRepresentation
bin1010001001100001001000
312000011102020
422021201020
51140113144
6133004440
731420224
oct12114110
95004366
102660424
1115578a8
12a83720
13721c20
144d3784
15378419
hex289848

2660424 has 32 divisors (see below), whose sum is σ = 7163520. Its totient is φ = 818496.

The previous prime is 2660417. The next prime is 2660429. The reversal of 2660424 is 4240662.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2660394 and 2660403.

It is not an unprimeable number, because it can be changed into a prime (2660429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3952 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (223860).

22660424 is an apocalyptic number.

2660424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2660424 is an abundant number, since it is smaller than the sum of its proper divisors (4503096).

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

2660424 is a wasteful number, since it uses less digits than its factorization.

2660424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8549 (or 8545 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2660424 is about 1631.0806233905. The cubic root of 2660424 is about 138.5639597369.

The spelling of 2660424 in words is "two million, six hundred sixty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 8527 17054 25581 34108 51162 68216 102324 110851 204648 221702 332553 443404 665106 886808 1330212 2660424