Search a number
-
+
152200231 is a prime number
BaseRepresentation
bin10010001001001…
…10010000100111
3101121101120110121
421010212100213
5302430401411
623034102411
73525452311
oct1104462047
9347346417
10152200231
1178a05317
1242b7aa07
13256bc511
14162dc7b1
15d566571
hex9126427

152200231 has 2 divisors, whose sum is σ = 152200232. Its totient is φ = 152200230.

The previous prime is 152200199. The next prime is 152200249. The reversal of 152200231 is 132002251.

It is a strong prime.

It is an emirp because it is prime and its reverse (132002251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152200231 - 25 = 152200199 is a prime.

It is a super-2 number, since 2×1522002312 = 46329820632906722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152200261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76100115 + 76100116.

It is an arithmetic number, because the mean of its divisors is an integer number (76100116).

Almost surely, 2152200231 is an apocalyptic number.

152200231 is a deficient number, since it is larger than the sum of its proper divisors (1).

152200231 is an equidigital number, since it uses as much as digits as its factorization.

152200231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 152200231 is about 12336.9457727592. The cubic root of 152200231 is about 533.9145675912.

Adding to 152200231 its reverse (132002251), we get a palindrome (284202482).

The spelling of 152200231 in words is "one hundred fifty-two million, two hundred thousand, two hundred thirty-one".