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245056349 is a prime number
BaseRepresentation
bin11101001101101…
…00001101011101
3122002010011010002
432212310031131
51000213300344
640152224045
76033641666
oct1646641535
9562104102
10245056349
1111636750a
126a09b025
133ba01475
142479036d
15167a944e
hexe9b435d

245056349 has 2 divisors, whose sum is σ = 245056350. Its totient is φ = 245056348.

The previous prime is 245056327. The next prime is 245056363. The reversal of 245056349 is 943650542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180768025 + 64288324 = 13445^2 + 8018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-245056349 is a prime.

It is a super-2 number, since 2×2450563492 = 120105228370419602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245056369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122528174 + 122528175.

It is an arithmetic number, because the mean of its divisors is an integer number (122528175).

Almost surely, 2245056349 is an apocalyptic number.

It is an amenable number.

245056349 is a deficient number, since it is larger than the sum of its proper divisors (1).

245056349 is an equidigital number, since it uses as much as digits as its factorization.

245056349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 245056349 is about 15654.2757417902. The cubic root of 245056349 is about 625.7804428620.

The spelling of 245056349 in words is "two hundred forty-five million, fifty-six thousand, three hundred forty-nine".