Search a number
-
+
224530457 is a prime number
BaseRepresentation
bin11010110001000…
…01000000011001
3120122111022212212
431120201000121
5424434433312
634140244505
75364322514
oct1530410031
9518438785
10224530457
11105818068
1263240735
1337695878
1421b69d7b
1514aa2822
hexd621019

224530457 has 2 divisors, whose sum is σ = 224530458. Its totient is φ = 224530456.

The previous prime is 224530433. The next prime is 224530469. The reversal of 224530457 is 754035422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224520256 + 10201 = 14984^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 224530457 - 210 = 224529433 is a prime.

It is a super-2 number, since 2×2245304572 = 100827852241257698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224530057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112265228 + 112265229.

It is an arithmetic number, because the mean of its divisors is an integer number (112265229).

Almost surely, 2224530457 is an apocalyptic number.

It is an amenable number.

224530457 is a deficient number, since it is larger than the sum of its proper divisors (1).

224530457 is an equidigital number, since it uses as much as digits as its factorization.

224530457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 224530457 is about 14984.3403925565. The cubic root of 224530457 is about 607.7968152216.

Adding to 224530457 its reverse (754035422), we get a palindrome (978565879).

The spelling of 224530457 in words is "two hundred twenty-four million, five hundred thirty thousand, four hundred fifty-seven".