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154214129 is a prime number
BaseRepresentation
bin10010011000100…
…01111011110001
3101202011220000102
421030101323301
5303434323004
623145202145
73551540606
oct1114217361
9352156012
10154214129
117a0603a3
1243790355
1325c46084
14166a46ad
15d81311e
hex9311ef1

154214129 has 2 divisors, whose sum is σ = 154214130. Its totient is φ = 154214128.

The previous prime is 154214111. The next prime is 154214143. The reversal of 154214129 is 921412451.

154214129 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., 135955600 + 18258529 = 11660^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 154214129 - 224 = 137436913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (154214029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77107064 + 77107065.

It is an arithmetic number, because the mean of its divisors is an integer number (77107065).

Almost surely, 2154214129 is an apocalyptic number.

It is an amenable number.

154214129 is a deficient number, since it is larger than the sum of its proper divisors (1).

154214129 is an equidigital number, since it uses as much as digits as its factorization.

154214129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 154214129 is about 12418.2981523234. The cubic root of 154214129 is about 536.2591577849.

The spelling of 154214129 in words is "one hundred fifty-four million, two hundred fourteen thousand, one hundred twenty-nine".