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2493306 = 232138517
BaseRepresentation
bin1001100000101101111010
311200200011200
421200231322
51114241211
6125235030
730123054
oct11405572
94620150
102493306
111453292
12a02a76
13693b3a
1448c8d4
15343b56
hex260b7a

2493306 has 12 divisors (see below), whose sum is σ = 5402202. Its totient is φ = 831096.

The previous prime is 2493301. The next prime is 2493329. The reversal of 2493306 is 6033942.

2493306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2277081 + 216225 = 1509^2 + 465^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2493306.

It is not an unprimeable number, because it can be changed into a prime (2493301) 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 5 ways as a sum of consecutive naturals, for example, 69241 + ... + 69276.

22493306 is an apocalyptic number.

2493306 is an abundant number, since it is smaller than the sum of its proper divisors (2908896).

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

2493306 is a wasteful number, since it uses less digits than its factorization.

2493306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138525 (or 138522 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 2493306 is about 1579.0205825131. The cubic root of 2493306 is about 135.5996371411.

The spelling of 2493306 in words is "two million, four hundred ninety-three thousand, three hundred six".

Divisors: 1 2 3 6 9 18 138517 277034 415551 831102 1246653 2493306