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2438138 = 22353003
BaseRepresentation
bin1001010011001111111010
311120212111102
421103033322
51111010023
6124131402
726503163
oct11231772
94525442
102438138
11141589a
12996b62
136749b1
1447676a
15332628
hex2533fa

2438138 has 8 divisors (see below), whose sum is σ = 3816288. Its totient is φ = 1166044.

The previous prime is 2438101. The next prime is 2438153. The reversal of 2438138 is 8318342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2438138.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26456 + ... + 26547.

It is an arithmetic number, because the mean of its divisors is an integer number (477036).

22438138 is an apocalyptic number.

2438138 is a deficient number, since it is larger than the sum of its proper divisors (1378150).

2438138 is a wasteful number, since it uses less digits than its factorization.

2438138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53028.

The product of its digits is 4608, while the sum is 29.

The square root of 2438138 is about 1561.4538097555. The cubic root of 2438138 is about 134.5920561228.

The spelling of 2438138 in words is "two million, four hundred thirty-eight thousand, one hundred thirty-eight".

Divisors: 1 2 23 46 53003 106006 1219069 2438138