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245041212 = 223132120829
BaseRepresentation
bin11101001101100…
…00100000111100
3122002002101100110
432212300200330
51000212304322
640152030020
76033546603
oct1646604074
9562071313
10245041212
111163570a9
126a092310
133b9c7600
1424788a3a
15167a4c0c
hexe9b083c

245041212 has 36 divisors (see below), whose sum is σ = 619132920. Its totient is φ = 75396672.

The previous prime is 245041211. The next prime is 245041229. The reversal of 245041212 is 212140542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245041211) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 58387 + ... + 62442.

Almost surely, 2245041212 is an apocalyptic number.

It is an amenable number.

245041212 is an abundant number, since it is smaller than the sum of its proper divisors (374091708).

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

245041212 is a wasteful number, since it uses less digits than its factorization.

245041212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120862 (or 120847 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 245041212 is about 15653.7922561915. The cubic root of 245041212 is about 625.7675578886.

Adding to 245041212 its reverse (212140542), we get a palindrome (457181754).

The spelling of 245041212 in words is "two hundred forty-five million, forty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 120829 241658 362487 483316 724974 1449948 1570777 3141554 4712331 6283108 9424662 18849324 20420101 40840202 61260303 81680404 122520606 245041212