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52087135 = 510417427
BaseRepresentation
bin1100011010110…
…0100101011111
310122000022010011
43012230211133
5101313242020
65100224051
71201506352
oct306544537
9118008104
1052087135
1127446921
121553b027
13aa393b9
146cbc299
15488d35a
hex31ac95f

52087135 has 4 divisors (see below), whose sum is σ = 62504568. Its totient is φ = 41669704.

The previous prime is 52087127. The next prime is 52087141. The reversal of 52087135 is 53178025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52087135 - 23 = 52087127 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52087097 and 52087106.

It is a congruent number.

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, 5208709 + ... + 5208718.

It is an arithmetic number, because the mean of its divisors is an integer number (15626142).

Almost surely, 252087135 is an apocalyptic number.

52087135 is a deficient number, since it is larger than the sum of its proper divisors (10417433).

52087135 is a wasteful number, since it uses less digits than its factorization.

52087135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10417432.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 52087135 is about 7217.1417472570. The cubic root of 52087135 is about 373.4594816225.

The spelling of 52087135 in words is "fifty-two million, eighty-seven thousand, one hundred thirty-five".

Divisors: 1 5 10417427 52087135