Search a number
-
+
452800189 is a prime number
BaseRepresentation
bin11010111111010…
…010111010111101
31011120000122002101
4122333102322331
51411404101224
6112533025101
714135511112
oct3277227275
91146018071
10452800189
11212659536
12107785191
1372a6a40a
14441ca909
1529b43044
hex1afd2ebd

452800189 has 2 divisors, whose sum is σ = 452800190. Its totient is φ = 452800188.

The previous prime is 452800177. The next prime is 452800211. The reversal of 452800189 is 981008254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287472025 + 165328164 = 16955^2 + 12858^2 .

It is a cyclic number.

It is not a de Polignac number, because 452800189 - 215 = 452767421 is a prime.

It is a super-2 number, since 2×4528001892 = 410056022316871442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452800169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226400094 + 226400095.

It is an arithmetic number, because the mean of its divisors is an integer number (226400095).

Almost surely, 2452800189 is an apocalyptic number.

It is an amenable number.

452800189 is a deficient number, since it is larger than the sum of its proper divisors (1).

452800189 is an equidigital number, since it uses as much as digits as its factorization.

452800189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 452800189 is about 21279.1021662099. The cubic root of 452800189 is about 767.8956366117.

The spelling of 452800189 in words is "four hundred fifty-two million, eight hundred thousand, one hundred eighty-nine".