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50478012 = 223313157229
BaseRepresentation
bin1100000010001…
…1101110111100
310111222112211000
43000203232330
5100410244022
65001530300
71152025134
oct300435674
9114875730
1050478012
1126547972
1214aa3990
13a5c4b60
1469bdac4
1546716ac
hex3023bbc

50478012 has 96 divisors (see below), whose sum is σ = 142452800. Its totient is φ = 15365376.

The previous prime is 50478007. The next prime is 50478059. The reversal of 50478012 is 21087405.

50478012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220314 + ... + 220542.

Almost surely, 250478012 is an apocalyptic number.

50478012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50478012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71226400).

50478012 is an abundant number, since it is smaller than the sum of its proper divisors (91974788).

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

50478012 is a wasteful number, since it uses less digits than its factorization.

50478012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 50478012 is about 7104.7879630570. The cubic root of 50478012 is about 369.5734358543.

The spelling of 50478012 in words is "fifty million, four hundred seventy-eight thousand, twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 157 229 234 314 351 458 468 471 628 687 702 916 942 1374 1404 1413 1884 2041 2061 2748 2826 2977 4082 4122 4239 5652 5954 6123 6183 8164 8244 8478 8931 11908 12246 12366 16956 17862 18369 24492 24732 26793 35724 35953 36738 53586 55107 71906 73476 80379 107172 107859 110214 143812 160758 215718 220428 321516 323577 431436 467389 647154 934778 970731 1294308 1402167 1869556 1941462 2804334 3882924 4206501 5608668 8413002 12619503 16826004 25239006 50478012