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245042472 = 23310210103
BaseRepresentation
bin11101001101100…
…00110100101000
3122002002110002010
432212300310220
51000212324342
640152035520
76033553353
oct1646606450
9562073063
10245042472
11116358044
126a092ba0
133b9c805c
142478929a
15167a529c
hexe9b0d28

245042472 has 16 divisors (see below), whose sum is σ = 612606240. Its totient is φ = 81680816.

The previous prime is 245042461. The next prime is 245042491. The reversal of 245042472 is 274240542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105028 + ... + 5105075.

It is an arithmetic number, because the mean of its divisors is an integer number (38287890).

Almost surely, 2245042472 is an apocalyptic number.

It is an amenable number.

245042472 is an abundant number, since it is smaller than the sum of its proper divisors (367563768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245042472 is a wasteful number, since it uses less digits than its factorization.

245042472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210112 (or 10210108 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 245042472 is about 15653.8325019785. The cubic root of 245042472 is about 625.7686304507.

The spelling of 245042472 in words is "two hundred forty-five million, forty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 10210103 20420206 30630309 40840412 61260618 81680824 122521236 245042472