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42481964 = 2271517213
BaseRepresentation
bin1010001000001…
…1100100101100
32221221022022002
42202003210230
541333410324
64114311432
71024043060
oct242034454
987838262
1042481964
1121a86368
1212288578
138a55475
1458dbaa0
153ae23ae
hex288392c

42481964 has 12 divisors (see below), whose sum is σ = 84963984. Its totient is φ = 18206544.

The previous prime is 42481951. The next prime is 42481969. The reversal of 42481964 is 46918424.

42481964 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42481969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758579 + ... + 758634.

It is an arithmetic number, because the mean of its divisors is an integer number (7080332).

Almost surely, 242481964 is an apocalyptic number.

It is an amenable number.

42481964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42481964 is a wasteful number, since it uses less digits than its factorization.

42481964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517224 (or 1517222 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 42481964 is about 6517.8189603578. The cubic root of 42481964 is about 348.9272295410.

The spelling of 42481964 in words is "forty-two million, four hundred eighty-one thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 14 28 1517213 3034426 6068852 10620491 21240982 42481964