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245349229 is a prime number
BaseRepresentation
bin11101001111110…
…11101101101101
3122002200000212111
432213323231231
51000302133404
640202404021
76036301606
oct1647735555
9562600774
10245349229
11116547564
126a200611
133baa4878
1424828dad
1516816104
hexe9fbb6d

245349229 has 2 divisors, whose sum is σ = 245349230. Its totient is φ = 245349228.

The previous prime is 245349227. The next prime is 245349311. The reversal of 245349229 is 922943542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127735204 + 117614025 = 11302^2 + 10845^2 .

It is a cyclic number.

It is not a de Polignac number, because 245349229 - 21 = 245349227 is a prime.

Together with 245349227, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 245349191 and 245349200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245349227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122674614 + 122674615.

It is an arithmetic number, because the mean of its divisors is an integer number (122674615).

Almost surely, 2245349229 is an apocalyptic number.

It is an amenable number.

245349229 is a deficient number, since it is larger than the sum of its proper divisors (1).

245349229 is an equidigital number, since it uses as much as digits as its factorization.

245349229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 245349229 is about 15663.6275811193. The cubic root of 245349229 is about 626.0296448788.

The spelling of 245349229 in words is "two hundred forty-five million, three hundred forty-nine thousand, two hundred twenty-nine".