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52135862 = 2311934357
BaseRepresentation
bin1100011011100…
…0011110110110
310122002202221212
43012320132312
5101321321422
65101241422
71202101412
oct306703666
9118082855
1052135862
112747a499
1215563272
13aa5562c
146cd1d42
15489c9e2
hex31b87b6

52135862 has 16 divisors (see below), whose sum is σ = 81163392. Its totient is φ = 25090560.

The previous prime is 52135859. The next prime is 52135891. The reversal of 52135862 is 26853125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9788 + ... + 14144.

It is an arithmetic number, because the mean of its divisors is an integer number (5072712).

Almost surely, 252135862 is an apocalyptic number.

52135862 is a deficient number, since it is larger than the sum of its proper divisors (29027530).

52135862 is a wasteful number, since it uses less digits than its factorization.

52135862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583.

The product of its digits is 14400, while the sum is 32.

The square root of 52135862 is about 7220.5167405110. The cubic root of 52135862 is about 373.5759012116.

Adding to 52135862 its reverse (26853125), we get a palindrome (78988987).

The spelling of 52135862 in words is "fifty-two million, one hundred thirty-five thousand, eight hundred sixty-two".

Divisors: 1 2 31 62 193 386 4357 5983 8714 11966 135067 270134 840901 1681802 26067931 52135862