Search a number
-
+
52182881 is a prime number
BaseRepresentation
bin1100011100001…
…1111101100001
310122012011110022
43013003331201
5101324323011
65102243225
71202355452
oct307037541
9118164408
1052182881
1127501853
1215586515
13aa70b5a
146d05129
1548ab8db
hex31c3f61

52182881 has 2 divisors, whose sum is σ = 52182882. Its totient is φ = 52182880.

The previous prime is 52182869. The next prime is 52182943. The reversal of 52182881 is 18828125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52070656 + 112225 = 7216^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 52182881 - 26 = 52182817 is a prime.

It is a super-2 number, since 2×521828812 = 5446106138920322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52182811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26091440 + 26091441.

It is an arithmetic number, because the mean of its divisors is an integer number (26091441).

Almost surely, 252182881 is an apocalyptic number.

It is an amenable number.

52182881 is a deficient number, since it is larger than the sum of its proper divisors (1).

52182881 is an equidigital number, since it uses as much as digits as its factorization.

52182881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10240, while the sum is 35.

The square root of 52182881 is about 7223.7719371531. The cubic root of 52182881 is about 373.6881712617.

The spelling of 52182881 in words is "fifty-two million, one hundred eighty-two thousand, eight hundred eighty-one".