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245013005 = 5401122201
BaseRepresentation
bin11101001101010…
…01101000001101
3122002000221122202
432212221220031
51000210404010
640151251245
76033401426
oct1646515015
9562027582
10245013005
11116337996
126a079b25
133b9b7813
142477c64d
151679b6a5
hexe9a9a0d

245013005 has 8 divisors (see below), whose sum is σ = 294751224. Its totient is φ = 195520000.

The previous prime is 245012947. The next prime is 245013019. The reversal of 245013005 is 500310542.

245013005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 173475241 + 71537764 = 13171^2 + 8458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245013005 - 26 = 245012941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59096 + ... + 63105.

It is an arithmetic number, because the mean of its divisors is an integer number (36843903).

Almost surely, 2245013005 is an apocalyptic number.

It is an amenable number.

245013005 is a deficient number, since it is larger than the sum of its proper divisors (49738219).

245013005 is a wasteful number, since it uses less digits than its factorization.

245013005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122607.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 245013005 is about 15652.8912664721. The cubic root of 245013005 is about 625.7435460055.

Adding to 245013005 its reverse (500310542), we get a palindrome (745323547).

The spelling of 245013005 in words is "two hundred forty-five million, thirteen thousand, five".

Divisors: 1 5 401 2005 122201 611005 49002601 245013005