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245505229 is a prime number
BaseRepresentation
bin11101010001000…
…01110011001101
3122002221221212021
432220201303031
51000322131404
640210010141
76040521454
oct1650416315
9562857767
10245505229
11116643792
126a276951
133bb2a888
1424869b9b
1516847454
hexea21ccd

245505229 has 2 divisors, whose sum is σ = 245505230. Its totient is φ = 245505228.

The previous prime is 245505217. The next prime is 245505257. The reversal of 245505229 is 922505542.

245505229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174187204 + 71318025 = 13198^2 + 8445^2 .

It is a cyclic number.

It is not a de Polignac number, because 245505229 - 225 = 211950797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245505194 and 245505203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245505929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122752614 + 122752615.

It is an arithmetic number, because the mean of its divisors is an integer number (122752615).

Almost surely, 2245505229 is an apocalyptic number.

It is an amenable number.

245505229 is a deficient number, since it is larger than the sum of its proper divisors (1).

245505229 is an equidigital number, since it uses as much as digits as its factorization.

245505229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 245505229 is about 15668.6064791991. The cubic root of 245505229 is about 626.1622992369.

The spelling of 245505229 in words is "two hundred forty-five million, five hundred five thousand, two hundred twenty-nine".