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53131434 = 238855239
BaseRepresentation
bin1100101010101…
…1100010101010
310200222100121220
43022223202222
5102100201214
65134442510
71213416066
oct312534252
9120870556
1053131434
1127a9a484
1215963436
13b013825
1470b0aa6
1549e79a9
hex32ab8aa

53131434 has 8 divisors (see below), whose sum is σ = 106262880. Its totient is φ = 17710476.

The previous prime is 53131433. The next prime is 53131453. The reversal of 53131434 is 43413135.

It is a happy number.

53131434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

53131434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (53131433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4427614 + ... + 4427625.

It is an arithmetic number, because the mean of its divisors is an integer number (13282860).

Almost surely, 253131434 is an apocalyptic number.

53131434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53131434 is a wasteful number, since it uses less digits than its factorization.

53131434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855244.

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

The square root of 53131434 is about 7289.1312239526. The cubic root of 53131434 is about 375.9388245500.

Adding to 53131434 its reverse (43413135), we get a palindrome (96544569).

The spelling of 53131434 in words is "fifty-three million, one hundred thirty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 8855239 17710478 26565717 53131434