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53330142 = 238888357
BaseRepresentation
bin1100101101110…
…0000011011110
310201100110012110
43023130003132
5102123031032
65143014450
71215204315
oct313340336
9121313173
1053330142
11281157a8
1215a3a426
13b0830c8
14712327c
154a367cc
hex32dc0de

53330142 has 8 divisors (see below), whose sum is σ = 106660296. Its totient is φ = 17776712.

The previous prime is 53330129. The next prime is 53330143. The reversal of 53330142 is 24103335.

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

53330142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53330143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4444173 + ... + 4444184.

It is an arithmetic number, because the mean of its divisors is an integer number (13332537).

Almost surely, 253330142 is an apocalyptic number.

53330142 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.

53330142 is a wasteful number, since it uses less digits than its factorization.

53330142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888362.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53330142 is about 7302.7489344767. The cubic root of 53330142 is about 376.4069035035.

Adding to 53330142 its reverse (24103335), we get a palindrome (77433477).

The spelling of 53330142 in words is "fifty-three million, three hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 8888357 17776714 26665071 53330142