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229804901 is a prime number
BaseRepresentation
bin11011011001010…
…00101101100101
3121000102022001122
431230220231211
5432312224101
634445303325
75460211064
oct1554505545
9530368048
10229804901
1110879a907
1264b64b45
13387c1541
14227401db
151529551b
hexdb28b65

229804901 has 2 divisors, whose sum is σ = 229804902. Its totient is φ = 229804900.

The previous prime is 229804889. The next prime is 229804933. The reversal of 229804901 is 109408922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128822500 + 100982401 = 11350^2 + 10049^2 .

It is a cyclic number.

It is not a de Polignac number, because 229804901 - 26 = 229804837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229804301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114902450 + 114902451.

It is an arithmetic number, because the mean of its divisors is an integer number (114902451).

Almost surely, 2229804901 is an apocalyptic number.

It is an amenable number.

229804901 is a deficient number, since it is larger than the sum of its proper divisors (1).

229804901 is an equidigital number, since it uses as much as digits as its factorization.

229804901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 229804901 is about 15159.3172999314. The cubic root of 229804901 is about 612.5192783603.

The spelling of 229804901 in words is "two hundred twenty-nine million, eight hundred four thousand, nine hundred one".