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42882400 = 2552112443
BaseRepresentation
bin1010001110010…
…1010101100000
32222200122121001
42203211111200
541434214100
64131041344
71030331401
oct243452540
988618531
1042882400
112222a200
1212440254
138b65802
1459a39a8
153b70d6a
hex28e5560

42882400 has 108 divisors (see below), whose sum is σ = 115328556. Its totient is φ = 15558400.

The previous prime is 42882397. The next prime is 42882401. The reversal of 42882400 is 428824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42882401) 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 17 ways as a sum of consecutive naturals, for example, 96579 + ... + 97021.

It is an arithmetic number, because the mean of its divisors is an integer number (1067857).

Almost surely, 242882400 is an apocalyptic number.

42882400 is a gapful number since it is divisible by the number (40) 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 42882400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57664278).

42882400 is an abundant number, since it is smaller than the sum of its proper divisors (72446156).

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

42882400 is a wasteful number, since it uses less digits than its factorization.

42882400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 42882400 is about 6548.4654691004. The cubic root of 42882400 is about 350.0201348961.

Multiplying 42882400 by its reverse (428824), we get a square (18389002297600 = 42882402).

42882400 divided by its reverse (428824) gives a square (100 = 102).

It can be divided in two parts, 428 and 82400, that added together give a palindrome (82828).

The spelling of 42882400 in words is "forty-two million, eight hundred eighty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 121 160 176 200 220 242 275 352 400 440 443 484 550 605 800 880 886 968 1100 1210 1760 1772 1936 2200 2215 2420 3025 3544 3872 4400 4430 4840 4873 6050 7088 8800 8860 9680 9746 11075 12100 14176 17720 19360 19492 22150 24200 24365 35440 38984 44300 48400 48730 53603 70880 77968 88600 96800 97460 107206 121825 155936 177200 194920 214412 243650 268015 354400 389840 428824 487300 536030 779680 857648 974600 1072060 1340075 1715296 1949200 2144120 2680150 3898400 4288240 5360300 8576480 10720600 21441200 42882400