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52424142 = 238737357
BaseRepresentation
bin1100011111111…
…0110111001110
310122122102101220
43013332313032
5101410033032
65111344210
71204412031
oct307766716
9118572356
1052424142
1127657041
1215682066
13ab26904
146d69018
15490812c
hex31fedce

52424142 has 8 divisors (see below), whose sum is σ = 104848296. Its totient is φ = 17474712.

The previous prime is 52424123. The next prime is 52424143. The reversal of 52424142 is 24142425.

It is a happy number.

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

52424142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52424143) 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, 4368673 + ... + 4368684.

It is an arithmetic number, because the mean of its divisors is an integer number (13106037).

Almost surely, 252424142 is an apocalyptic number.

52424142 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.

52424142 is a wasteful number, since it uses less digits than its factorization.

52424142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737362.

The product of its digits is 2560, while the sum is 24.

The square root of 52424142 is about 7240.4517814844. The cubic root of 52424142 is about 374.2631861179.

Adding to 52424142 its reverse (24142425), we get a palindrome (76566567).

The spelling of 52424142 in words is "fifty-two million, four hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 8737357 17474714 26212071 52424142