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25340316 = 2232972817
BaseRepresentation
bin110000010101…
…0100110011100
31202200102101020
41200222212130
522441342231
62303044140
7425250321
oct140524634
952612336
1025340316
1113338611
1285a0650
135333091
143518b48
152358396
hex182a99c

25340316 has 24 divisors (see below), whose sum is σ = 61167120. Its totient is φ = 8155392.

The previous prime is 25340311. The next prime is 25340327. The reversal of 25340316 is 61304352.

It is a happy number.

It is a super-2 number, since 2×253403162 = 1284263229959712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340311) 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, 36061 + ... + 36756.

It is an arithmetic number, because the mean of its divisors is an integer number (2548630).

Almost surely, 225340316 is an apocalyptic number.

It is an amenable number.

25340316 is an abundant number, since it is smaller than the sum of its proper divisors (35826804).

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

25340316 is a wasteful number, since it uses less digits than its factorization.

25340316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72853 (or 72851 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 25340316 is about 5033.9165666507. The cubic root of 25340316 is about 293.7225852792.

Adding to 25340316 its reverse (61304352), we get a palindrome (86644668).

The spelling of 25340316 in words is "twenty-five million, three hundred forty thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 72817 145634 218451 291268 436902 873804 2111693 4223386 6335079 8446772 12670158 25340316