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245044428 = 22321196779
BaseRepresentation
bin11101001101100…
…01010011001100
3122002002112202120
432212301103030
51000212410203
640152052540
76033562146
oct1646612314
9562075676
10245044428
11116359562
126a094150
133b9c8c05
1424789c96
15167a5b53
hexe9b14cc

245044428 has 24 divisors (see below), whose sum is σ = 574486080. Its totient is φ = 81293520.

The previous prime is 245044411. The next prime is 245044439. The reversal of 245044428 is 824440542.

245044428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 45858 + ... + 50921.

It is an arithmetic number, because the mean of its divisors is an integer number (23936920).

Almost surely, 2245044428 is an apocalyptic number.

It is an amenable number.

245044428 is an abundant number, since it is smaller than the sum of its proper divisors (329441652).

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

245044428 is a wasteful number, since it uses less digits than its factorization.

245044428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96997 (or 96995 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 33.

The square root of 245044428 is about 15653.8949785668. The cubic root of 245044428 is about 625.7702954685.

The spelling of 245044428 in words is "two hundred forty-five million, forty-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 211 422 633 844 1266 2532 96779 193558 290337 387116 580674 1161348 20420369 40840738 61261107 81681476 122522214 245044428