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245054241 = 343025361
BaseRepresentation
bin11101001101100…
…11101100100001
3122002010001020000
432212303230201
51000213213431
640152210213
76033632565
oct1646635441
9562101200
10245054241
11116365973
126a099969
133ba00513
142478d6a5
15167a89e6
hexe9b3b21

245054241 has 10 divisors (see below), whose sum is σ = 366068802. Its totient is φ = 163369440.

The previous prime is 245054237. The next prime is 245054261. The reversal of 245054241 is 142450542.

It can be written as a sum of positive squares in only one way, i.e., 235469025 + 9585216 = 15345^2 + 3096^2 .

It is not a de Polignac number, because 245054241 - 22 = 245054237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (245054221) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1512600 + ... + 1512761.

Almost surely, 2245054241 is an apocalyptic number.

It is an amenable number.

245054241 is a deficient number, since it is larger than the sum of its proper divisors (121014561).

245054241 is an equidigital number, since it uses as much as digits as its factorization.

245054241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025373 (or 3025364 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 245054241 is about 15654.2084117978. The cubic root of 245054241 is about 625.7786485142.

The spelling of 245054241 in words is "two hundred forty-five million, fifty-four thousand, two hundred forty-one".

Divisors: 1 3 9 27 81 3025361 9076083 27228249 81684747 245054241