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42882820 = 22512716883
BaseRepresentation
bin1010001110010…
…1011100000100
32222200200011121
42203211130010
541434222240
64131043324
71030332541
oct243453404
988620147
1042882820
112222a552
1212440544
138b65a66
1459a3bc8
153b7104a
hex28e5704

42882820 has 24 divisors (see below), whose sum is σ = 90768384. Its totient is φ = 17017056.

The previous prime is 42882811. The next prime is 42882821. The reversal of 42882820 is 2828824.

It is not an unprimeable number, because it can be changed into a prime (42882821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5902 + ... + 10981.

It is an arithmetic number, because the mean of its divisors is an integer number (3782016).

Almost surely, 242882820 is an apocalyptic number.

It is an amenable number.

42882820 is an abundant number, since it is smaller than the sum of its proper divisors (47885564).

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

42882820 is a wasteful number, since it uses less digits than its factorization.

42882820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17019 (or 17017 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 42882820 is about 6548.4975376036. The cubic root of 42882820 is about 350.0212776180.

The spelling of 42882820 in words is "forty-two million, eight hundred eighty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 16883 33766 67532 84415 168830 337660 2144141 4288282 8576564 10720705 21441410 42882820