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154230227 is a prime number
BaseRepresentation
bin10010011000101…
…01110111010011
3101202012201002122
421030111313103
5303440331402
623145404455
73551635544
oct1114256723
9352181078
10154230227
117a0714a8
124379972b
1325c504b8
14166aa4cb
15d817ca2
hex9315dd3

154230227 has 2 divisors, whose sum is σ = 154230228. Its totient is φ = 154230226.

The previous prime is 154230191. The next prime is 154230253. The reversal of 154230227 is 722032451.

It is an a-pointer prime, because the next prime (154230253) can be obtained adding 154230227 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154230227 - 210 = 154229203 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 154230196 and 154230205.

It is not a weakly prime, because it can be changed into another prime (154230257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77115113 + 77115114.

It is an arithmetic number, because the mean of its divisors is an integer number (77115114).

Almost surely, 2154230227 is an apocalyptic number.

154230227 is a deficient number, since it is larger than the sum of its proper divisors (1).

154230227 is an equidigital number, since it uses as much as digits as its factorization.

154230227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 154230227 is about 12418.9462918558. The cubic root of 154230227 is about 536.2778166882.

Adding to 154230227 its reverse (722032451), we get a palindrome (876262678).

The spelling of 154230227 in words is "one hundred fifty-four million, two hundred thirty thousand, two hundred twenty-seven".