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253031416 = 23116147137
BaseRepresentation
bin11110001010011…
…11001111111000
3122122010022211221
433011033033320
51004234001131
641035201424
76161505631
oct1705171770
9578108757
10253031416
1111a914280
12708a6274
1340564441
1425868888
1517332411
hexf14f3f8

253031416 has 32 divisors (see below), whose sum is σ = 526060080. Its totient is φ = 113126400.

The previous prime is 253031413. The next prime is 253031473. The reversal of 253031416 is 614130352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253031413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18201 + ... + 28936.

Almost surely, 2253031416 is an apocalyptic number.

It is an amenable number.

253031416 is an abundant number, since it is smaller than the sum of its proper divisors (273028664).

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

253031416 is a wasteful number, since it uses less digits than its factorization.

253031416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47215 (or 47211 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 253031416 is about 15906.9612434305. The cubic root of 253031416 is about 632.4965320312.

Adding to 253031416 its reverse (614130352), we get a palindrome (867161768).

The spelling of 253031416 in words is "two hundred fifty-three million, thirty-one thousand, four hundred sixteen".

Divisors: 1 2 4 8 11 22 44 61 88 122 244 488 671 1342 2684 5368 47137 94274 188548 377096 518507 1037014 2074028 2875357 4148056 5750714 11501428 23002856 31628927 63257854 126515708 253031416