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2425138 = 21212569
BaseRepresentation
bin1001010000000100110010
311120012122221
421100010302
51110101023
6123551254
726420242
oct11200462
94505587
102425138
111407051
1298b52a
1366bac1
14471b22
1532d85d
hex250132

2425138 has 4 divisors (see below), whose sum is σ = 3637710. Its totient is φ = 1212568.

The previous prime is 2425117. The next prime is 2425139. The reversal of 2425138 is 8315242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1620529 + 804609 = 1273^2 + 897^2 .

It is not an unprimeable number, because it can be changed into a prime (2425139) 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 as a sum of consecutive naturals, namely, 606283 + ... + 606286.

22425138 is an apocalyptic number.

2425138 is a deficient number, since it is larger than the sum of its proper divisors (1212572).

2425138 is a wasteful number, since it uses less digits than its factorization.

2425138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212571.

The product of its digits is 1920, while the sum is 25.

The square root of 2425138 is about 1557.2854587390. The cubic root of 2425138 is about 134.3524175500.

The spelling of 2425138 in words is "two million, four hundred twenty-five thousand, one hundred thirty-eight".

Divisors: 1 2 1212569 2425138