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42881016 = 23323131593
BaseRepresentation
bin1010001110010…
…0111111111000
32222200120200210
42203210333320
541434143031
64131031120
71030324353
oct243447770
988616623
1042881016
1122229162
121243b4a0
138b64ca9
1459a329a
153b70746
hex28e4ff8

42881016 has 64 divisors (see below), whose sum is σ = 112907520. Its totient is φ = 13544960.

The previous prime is 42880997. The next prime is 42881051. The reversal of 42881016 is 61018824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72016 + ... + 72608.

It is an arithmetic number, because the mean of its divisors is an integer number (1764180).

Almost surely, 242881016 is an apocalyptic number.

42881016 is a gapful number since it is divisible by the number (46) 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 42881016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56453760).

42881016 is an abundant number, since it is smaller than the sum of its proper divisors (70026504).

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

42881016 is a wasteful number, since it uses less digits than its factorization.

42881016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 42881016 is about 6548.3597946356. The cubic root of 42881016 is about 350.0163693024.

The spelling of 42881016 in words is "forty-two million, eight hundred eighty-one thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 131 138 184 262 276 393 524 552 593 786 1048 1186 1572 1779 2372 3013 3144 3558 4744 6026 7116 9039 12052 13639 14232 18078 24104 27278 36156 40917 54556 72312 77683 81834 109112 155366 163668 233049 310732 327336 466098 621464 932196 1786709 1864392 3573418 5360127 7146836 10720254 14293672 21440508 42881016