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2493438 = 23537841
BaseRepresentation
bin1001100000101111111110
311200200100120
421200233332
51114242223
6125235410
730123333
oct11405776
94620316
102493438
1114533a2
12a02b66
13693c0c
1448c98a
15343be3
hex260bfe

2493438 has 16 divisors (see below), whose sum is σ = 5081616. Its totient is φ = 815360.

The previous prime is 2493437. The next prime is 2493443. The reversal of 2493438 is 8343942.

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

It is a junction number, because it is equal to n+sod(n) for n = 2493399 and 2493408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3603 + ... + 4238.

It is an arithmetic number, because the mean of its divisors is an integer number (317601).

22493438 is an apocalyptic number.

2493438 is an abundant number, since it is smaller than the sum of its proper divisors (2588178).

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

2493438 is a wasteful number, since it uses less digits than its factorization.

2493438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899.

The product of its digits is 20736, while the sum is 33.

The square root of 2493438 is about 1579.0623800218. The cubic root of 2493438 is about 135.6020300598.

The spelling of 2493438 in words is "two million, four hundred ninety-three thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 53 106 159 318 7841 15682 23523 47046 415573 831146 1246719 2493438