Search a number
-
+
15342233 is a prime number
BaseRepresentation
bin111010100001…
…101010011001
31001212110120212
4322201222121
512411422413
61304500505
7244256354
oct72415231
931773525
1015342233
118729935
12517a735
13324235a
14207529b
151530ca8
hexea1a99

15342233 has 2 divisors, whose sum is σ = 15342234. Its totient is φ = 15342232.

The previous prime is 15342209. The next prime is 15342251. The reversal of 15342233 is 33224351.

15342233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14235529 + 1106704 = 3773^2 + 1052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15342233 is a prime.

It is a super-2 number, since 2×153422332 = 470768226852578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15342199 and 15342208.

It is not a weakly prime, because it can be changed into another prime (15342133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7671116 + 7671117.

It is an arithmetic number, because the mean of its divisors is an integer number (7671117).

Almost surely, 215342233 is an apocalyptic number.

It is an amenable number.

15342233 is a deficient number, since it is larger than the sum of its proper divisors (1).

15342233 is an equidigital number, since it uses as much as digits as its factorization.

15342233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 15342233 is about 3916.9162615507. The cubic root of 15342233 is about 248.4827194010.

Adding to 15342233 its reverse (33224351), we get a palindrome (48566584).

The spelling of 15342233 in words is "fifteen million, three hundred forty-two thousand, two hundred thirty-three".