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2509494 = 231332173
BaseRepresentation
bin1001100100101010110110
311201111101020
421210222312
51120300434
6125442010
730221211
oct11445266
94644336
102509494
111464469
12a10306
1369b310
14494778
15348849
hex264ab6

2509494 has 16 divisors (see below), whose sum is σ = 5405232. Its totient is φ = 772128.

The previous prime is 2509483. The next prime is 2509499. The reversal of 2509494 is 4949052.

2509494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2509499) 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 7 ways as a sum of consecutive naturals, for example, 16009 + ... + 16164.

It is an arithmetic number, because the mean of its divisors is an integer number (337827).

22509494 is an apocalyptic number.

2509494 is an abundant number, since it is smaller than the sum of its proper divisors (2895738).

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

2509494 is a wasteful number, since it uses less digits than its factorization.

2509494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32191.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2509494 is about 1584.1382515425. The cubic root of 2509494 is about 135.8924683448.

It can be divided in two parts, 2509 and 494, that added together give a palindrome (3003).

The spelling of 2509494 in words is "two million, five hundred nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 32173 64346 96519 193038 418249 836498 1254747 2509494