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42884768 = 251340149
BaseRepresentation
bin1010001110010…
…1111010100000
32222200202211202
42203211322200
541434303033
64131100332
71030341323
oct243457240
988622752
1042884768
1122230a63
12124416a8
138b66904
1459a47ba
153b718e8
hex28e5ea0

42884768 has 12 divisors (see below), whose sum is σ = 84429450. Its totient is φ = 21442368.

The previous prime is 42884759. The next prime is 42884773. The reversal of 42884768 is 86748824.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42876304 + 8464 = 6548^2 + 92^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670043 + ... + 670106.

Almost surely, 242884768 is an apocalyptic number.

It is an amenable number.

42884768 is a deficient number, since it is larger than the sum of its proper divisors (41544682).

42884768 is a wasteful number, since it uses less digits than its factorization.

42884768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340159 (or 1340151 counting only the distinct ones).

The product of its digits is 688128, while the sum is 47.

The square root of 42884768 is about 6548.6462723222. The cubic root of 42884768 is about 350.0265775736.

The spelling of 42884768 in words is "forty-two million, eight hundred eighty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 1340149 2680298 5360596 10721192 21442384 42884768