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1304255412 = 223359920161
BaseRepresentation
bin100110110111101…
…0101101110110100
310100220012001002000
41031233111232310
510132342133122
6333230415300
744214662625
oct11557255664
93326161060
101304255412
1160a244439
12304961530
1317a297b85
14c530ba4c
15797810ac
hex4dbd5bb4

1304255412 has 48 divisors (see below), whose sum is σ = 3387216000. Its totient is φ = 434004480.

The previous prime is 1304255401. The next prime is 1304255431. The reversal of 1304255412 is 2145524031.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54612 + ... + 74772.

It is an arithmetic number, because the mean of its divisors is an integer number (70567000).

Almost surely, 21304255412 is an apocalyptic number.

1304255412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304255412 is an abundant number, since it is smaller than the sum of its proper divisors (2082960588).

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

1304255412 is a wasteful number, since it uses less digits than its factorization.

1304255412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20773 (or 20765 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1304255412 is about 36114.4764879681. The cubic root of 1304255412 is about 1092.5824389578.

Adding to 1304255412 its reverse (2145524031), we get a palindrome (3449779443).

The spelling of 1304255412 in words is "one billion, three hundred four million, two hundred fifty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 599 1198 1797 2396 3594 5391 7188 10782 16173 20161 21564 32346 40322 60483 64692 80644 120966 181449 241932 362898 544347 725796 1088694 2177388 12076439 24152878 36229317 48305756 72458634 108687951 144917268 217375902 326063853 434751804 652127706 1304255412