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153253231 is a prime number
BaseRepresentation
bin10010010001001…
…11010101101111
3101200101001220121
421020213111233
5303213100411
623112425411
73540426265
oct1110472557
9350331817
10153253231
117956446a
12433a8267
132599a8b1
14164d4435
15d6c3571
hex922756f

153253231 has 2 divisors, whose sum is σ = 153253232. Its totient is φ = 153253230.

The previous prime is 153253213. The next prime is 153253277. The reversal of 153253231 is 132352351.

Together with previous prime (153253213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (132352351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153253231 - 221 = 151156079 is a prime.

It is a super-2 number, since 2×1532532312 = 46973105623878722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153253196 and 153253205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153253631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76626615 + 76626616.

It is an arithmetic number, because the mean of its divisors is an integer number (76626616).

Almost surely, 2153253231 is an apocalyptic number.

153253231 is a deficient number, since it is larger than the sum of its proper divisors (1).

153253231 is an equidigital number, since it uses as much as digits as its factorization.

153253231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 25.

The square root of 153253231 is about 12379.5489013130. The cubic root of 153253231 is about 535.1430380050.

The spelling of 153253231 in words is "one hundred fifty-three million, two hundred fifty-three thousand, two hundred thirty-one".