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245163473 is a prime number
BaseRepresentation
bin11101001110011…
…10010111010001
3122002022121001122
432213032113101
51000230212343
640154412025
76034566212
oct1647162721
9562277048
10245163473
1111642aa45
126a131015
133ba3b159
14247bb409
15167cb068
hexe9ce5d1

245163473 has 2 divisors, whose sum is σ = 245163474. Its totient is φ = 245163472.

The previous prime is 245163437. The next prime is 245163539. The reversal of 245163473 is 374361542.

Together with previous prime (245163437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201299344 + 43864129 = 14188^2 + 6623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-245163473 is a prime.

It is not a weakly prime, because it can be changed into another prime (245163173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122581736 + 122581737.

It is an arithmetic number, because the mean of its divisors is an integer number (122581737).

Almost surely, 2245163473 is an apocalyptic number.

It is an amenable number.

245163473 is a deficient number, since it is larger than the sum of its proper divisors (1).

245163473 is an equidigital number, since it uses as much as digits as its factorization.

245163473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 245163473 is about 15657.6969251547. The cubic root of 245163473 is about 625.8716141902.

The spelling of 245163473 in words is "two hundred forty-five million, one hundred sixty-three thousand, four hundred seventy-three".