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229154251 is a prime number
BaseRepresentation
bin11011010100010…
…01110111001011
3120222012020112111
431222021313023
5432130414001
634423323151
75451531124
oct1552116713
9528166474
10229154251
11108395a87
12648b04b7
1338624341
142261104b
15151b7851
hexda89dcb

229154251 has 2 divisors, whose sum is σ = 229154252. Its totient is φ = 229154250.

The previous prime is 229154213. The next prime is 229154287. The reversal of 229154251 is 152451922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229154251 - 215 = 229121483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229157251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114577125 + 114577126.

It is an arithmetic number, because the mean of its divisors is an integer number (114577126).

Almost surely, 2229154251 is an apocalyptic number.

229154251 is a deficient number, since it is larger than the sum of its proper divisors (1).

229154251 is an equidigital number, since it uses as much as digits as its factorization.

229154251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 229154251 is about 15137.8416889595. The cubic root of 229154251 is about 611.9406536427.

The spelling of 229154251 in words is "two hundred twenty-nine million, one hundred fifty-four thousand, two hundred fifty-one".