Search a number
-
+
52006251 = 31129311753
BaseRepresentation
bin1100011001100…
…0110101101011
310121212012011110
43012120311223
5101303200001
65054401403
71201021503
oct306306553
9117765143
1052006251
11273a1080
1215500263
13aa0b63b
146c9aa03
1548743d6
hex3198d6b

52006251 has 32 divisors (see below), whose sum is σ = 80824320. Its totient is φ = 29433600.

The previous prime is 52006237. The next prime is 52006267. The reversal of 52006251 is 15260025.

It is not a de Polignac number, because 52006251 - 25 = 52006219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52006231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28791 + ... + 30543.

It is an arithmetic number, because the mean of its divisors is an integer number (2525760).

Almost surely, 252006251 is an apocalyptic number.

52006251 is a deficient number, since it is larger than the sum of its proper divisors (28818069).

52006251 is a wasteful number, since it uses less digits than its factorization.

52006251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 52006251 is about 7211.5359667688. The cubic root of 52006251 is about 373.2660714461.

Adding to 52006251 its reverse (15260025), we get a palindrome (67266276).

The spelling of 52006251 in words is "fifty-two million, six thousand, two hundred fifty-one".

Divisors: 1 3 11 29 31 33 87 93 319 341 899 957 1023 1753 2697 5259 9889 19283 29667 50837 54343 57849 152511 163029 559207 597773 1575947 1677621 1793319 4727841 17335417 52006251