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52443342 = 2337138739
BaseRepresentation
bin1100100000001…
…1100011001110
310122200101202000
43020003203032
5101411141332
65112013130
71204522020
oct310034316
9118611660
1052443342
112766a506
12156911a6
13ab32583
146d72010
15490db7c
hex32038ce

52443342 has 32 divisors (see below), whose sum is σ = 133190400. Its totient is φ = 14983704.

The previous prime is 52443331. The next prime is 52443343. The reversal of 52443342 is 24334425.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52443343) 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 15 ways as a sum of consecutive naturals, for example, 68992 + ... + 69747.

It is an arithmetic number, because the mean of its divisors is an integer number (4162200).

Almost surely, 252443342 is an apocalyptic number.

52443342 is an abundant number, since it is smaller than the sum of its proper divisors (80747058).

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

52443342 is a wasteful number, since it uses less digits than its factorization.

52443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138757 (or 138751 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 52443342 is about 7241.7775442221. Note that the first 3 decimals coincide. The cubic root of 52443342 is about 374.3088710245.

Adding to 52443342 its reverse (24334425), we get a palindrome (76777767).

The spelling of 52443342 in words is "fifty-two million, four hundred forty-three thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 138739 277478 416217 832434 971173 1248651 1942346 2497302 2913519 3745953 5827038 7491906 8740557 17481114 26221671 52443342