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20462316 = 22371912821
BaseRepresentation
bin100111000001…
…1101011101100
31102111121000120
41032003223230
520214243231
62010324540
7335632620
oct116035354
942447016
1020462316
1110606706
126a29750
1343159a4
142a09180
151be2d96
hex1383aec

20462316 has 48 divisors (see below), whose sum is σ = 57442560. Its totient is φ = 5538240.

The previous prime is 20462227. The next prime is 20462317. The reversal of 20462316 is 61326402.

It is not an unprimeable number, because it can be changed into a prime (20462317) 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 15 ways as a sum of consecutive naturals, for example, 4815 + ... + 8006.

It is an arithmetic number, because the mean of its divisors is an integer number (1196720).

Almost surely, 220462316 is an apocalyptic number.

It is an amenable number.

20462316 is an abundant number, since it is smaller than the sum of its proper divisors (36980244).

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

20462316 is a wasteful number, since it uses less digits than its factorization.

20462316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854 (or 12852 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20462316 is about 4523.5291532165. The cubic root of 20462316 is about 273.5173808369.

Adding to 20462316 its reverse (61326402), we get a palindrome (81788718).

The spelling of 20462316 in words is "twenty million, four hundred sixty-two thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 12821 25642 38463 51284 76926 89747 153852 179494 243599 269241 358988 487198 538482 730797 974396 1076964 1461594 1705193 2923188 3410386 5115579 6820772 10231158 20462316