Search a number
-
+
52187706 = 233966439
BaseRepresentation
bin1100011100010…
…1001000111010
310122012102002000
43013011020322
5101330001311
65102321430
71202405514
oct307051072
9118172060
1052187706
112750543a
1215589276
13aa730cc
146d06bb4
1548ad056
hex31c523a

52187706 has 16 divisors (see below), whose sum is σ = 115972800. Its totient is φ = 17395884.

The previous prime is 52187701. The next prime is 52187749. The reversal of 52187706 is 60778125.

It is not an unprimeable number, because it can be changed into a prime (52187701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483166 + ... + 483273.

It is an arithmetic number, because the mean of its divisors is an integer number (7248300).

Almost surely, 252187706 is an apocalyptic number.

52187706 is an abundant number, since it is smaller than the sum of its proper divisors (63785094).

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

52187706 is a wasteful number, since it uses less digits than its factorization.

52187706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966450 (or 966444 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 52187706 is about 7224.1058962338. The cubic root of 52187706 is about 373.6996883840.

The spelling of 52187706 in words is "fifty-two million, one hundred eighty-seven thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 27 54 966439 1932878 2899317 5798634 8697951 17395902 26093853 52187706