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245007953 is a prime number
BaseRepresentation
bin11101001101010…
…00011001010001
3122002000200201122
432212220121101
51000210223303
640151212025
76033350621
oct1646503121
9562020648
10245007953
11116334113
126a077015
133b9b5428
142477a881
1516799e38
hexe9a8651

245007953 has 2 divisors, whose sum is σ = 245007954. Its totient is φ = 245007952.

The previous prime is 245007947. The next prime is 245007967. The reversal of 245007953 is 359700542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235223569 + 9784384 = 15337^2 + 3128^2 .

It is a cyclic number.

It is not a de Polignac number, because 245007953 - 210 = 245006929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245037953) 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, 122503976 + 122503977.

It is an arithmetic number, because the mean of its divisors is an integer number (122503977).

Almost surely, 2245007953 is an apocalyptic number.

It is an amenable number.

245007953 is a deficient number, since it is larger than the sum of its proper divisors (1).

245007953 is an equidigital number, since it uses as much as digits as its factorization.

245007953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 245007953 is about 15652.7298897029. The cubic root of 245007953 is about 625.7392451751.

The spelling of 245007953 in words is "two hundred forty-five million, seven thousand, nine hundred fifty-three".