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245582089 is a prime number
BaseRepresentation
bin11101010001101…
…00100100001001
3122010002212021221
432220310210021
51000332111324
640211402041
76041261524
oct1650644411
9563085257
10245582089
11116696505
126a2b3321
133bb5685c
1424889bbb
15168600e4
hexea34909

245582089 has 2 divisors, whose sum is σ = 245582090. Its totient is φ = 245582088.

The previous prime is 245582053. The next prime is 245582101. The reversal of 245582089 is 980285542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199233225 + 46348864 = 14115^2 + 6808^2 .

It is a cyclic number.

It is not a de Polignac number, because 245582089 - 29 = 245581577 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (245582009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122791044 + 122791045.

It is an arithmetic number, because the mean of its divisors is an integer number (122791045).

Almost surely, 2245582089 is an apocalyptic number.

It is an amenable number.

245582089 is a deficient number, since it is larger than the sum of its proper divisors (1).

245582089 is an equidigital number, since it uses as much as digits as its factorization.

245582089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 245582089 is about 15671.0589623037. The cubic root of 245582089 is about 626.2276363556.

The spelling of 245582089 in words is "two hundred forty-five million, five hundred eighty-two thousand, eighty-nine".