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52115842 = 229898549
BaseRepresentation
bin1100011011001…
…1100110000010
310122001202111101
43012303212002
5101320201332
65101005014
71201656142
oct306634602
9118052441
1052115842
1127466449
121555376a
13aa4949c
146cc8922
154896ae7
hex31b3982

52115842 has 8 divisors (see below), whose sum is σ = 80869500. Its totient is φ = 25159344.

The previous prime is 52115839. The next prime is 52115881. The reversal of 52115842 is 24851125.

It can be written as a sum of positive squares in 2 ways, for example, as 51566761 + 549081 = 7181^2 + 741^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 52115842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449217 + ... + 449332.

Almost surely, 252115842 is an apocalyptic number.

52115842 is a deficient number, since it is larger than the sum of its proper divisors (28753658).

52115842 is a wasteful number, since it uses less digits than its factorization.

52115842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898580.

The product of its digits is 3200, while the sum is 28.

The square root of 52115842 is about 7219.1302800268. The cubic root of 52115842 is about 373.5280777828.

Adding to 52115842 its reverse (24851125), we get a palindrome (76966967).

The spelling of 52115842 in words is "fifty-two million, one hundred fifteen thousand, eight hundred forty-two".

Divisors: 1 2 29 58 898549 1797098 26057921 52115842