Search a number
-
+
2505938 = 23893221
BaseRepresentation
bin1001100011110011010010
311201022111112
421203303102
51120142223
6125413322
730204641
oct11436322
94638445
102505938
111461826
12a0a242
13699806
14493358
15347778
hex263cd2

2505938 has 8 divisors (see below), whose sum is σ = 3769740. Its totient is φ = 1249360.

The previous prime is 2505917. The next prime is 2505983. The reversal of 2505938 is 8395052.

It is a happy number.

2505938 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 2 ways, for example, as 2505889 + 49 = 1583^2 + 7^2 .

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

It is a plaindrome in base 15.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 833 + ... + 2388.

22505938 is an apocalyptic number.

2505938 is a deficient number, since it is larger than the sum of its proper divisors (1263802).

2505938 is a wasteful number, since it uses less digits than its factorization.

2505938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2505938 is about 1583.0154768669. The cubic root of 2505938 is about 135.8282506117.

It can be divided in two parts, 2505 and 938, that added together give a palindrome (3443).

The spelling of 2505938 in words is "two million, five hundred five thousand, nine hundred thirty-eight".

Divisors: 1 2 389 778 3221 6442 1252969 2505938