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245480461 is a prime number
BaseRepresentation
bin11101010000110…
…11110000001101
3122002220200212221
432220123300031
51000320333321
640205255341
76040356322
oct1650336015
9562820787
10245480461
11116627116
126a264551
133bb1c515
1424860b49
151683ee41
hexea1bc0d

245480461 has 2 divisors, whose sum is σ = 245480462. Its totient is φ = 245480460.

The previous prime is 245480453. The next prime is 245480491. The reversal of 245480461 is 164084542.

245480461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216266436 + 29214025 = 14706^2 + 5405^2 .

It is a cyclic number.

It is not a de Polignac number, because 245480461 - 23 = 245480453 is a prime.

It is equal to p13445584 and since 245480461 and 13445584 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245480401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122740230 + 122740231.

It is an arithmetic number, because the mean of its divisors is an integer number (122740231).

Almost surely, 2245480461 is an apocalyptic number.

It is an amenable number.

245480461 is a deficient number, since it is larger than the sum of its proper divisors (1).

245480461 is an equidigital number, since it uses as much as digits as its factorization.

245480461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 245480461 is about 15667.8160890406. The cubic root of 245480461 is about 626.1412415599.

The spelling of 245480461 in words is "two hundred forty-five million, four hundred eighty thousand, four hundred sixty-one".