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172014949 is a prime number
BaseRepresentation
bin10100100000010…
…11110101100101
3102222200021011001
422100023311211
5323013434244
625022513301
74156050211
oct1220136545
9388607131
10172014949
1189109417
1249735831
13298394c2
1418bb9941
151017c5d4
hexa40bd65

172014949 has 2 divisors, whose sum is σ = 172014950. Its totient is φ = 172014948.

The previous prime is 172014919. The next prime is 172014977. The reversal of 172014949 is 949410271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158004900 + 14010049 = 12570^2 + 3743^2 .

It is a cyclic number.

It is not a de Polignac number, because 172014949 - 219 = 171490661 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 (172014919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86007474 + 86007475.

It is an arithmetic number, because the mean of its divisors is an integer number (86007475).

Almost surely, 2172014949 is an apocalyptic number.

It is an amenable number.

172014949 is a deficient number, since it is larger than the sum of its proper divisors (1).

172014949 is an equidigital number, since it uses as much as digits as its factorization.

172014949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 172014949 is about 13115.4469615031. The cubic root of 172014949 is about 556.1458877823.

The spelling of 172014949 in words is "one hundred seventy-two million, fourteen thousand, nine hundred forty-nine".