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42896800 = 255229432
BaseRepresentation
bin1010001110100…
…0110110100000
32222201101100101
42203220312200
541440144200
64131232144
71030421362
oct243506640
988641311
1042896800
112223a001
1212448654
138b6c22b
1459a8d32
153b7526a
hex28e8da0

42896800 has 108 divisors (see below), whose sum is σ = 110910870. Its totient is φ = 16181760.

The previous prime is 42896767. The next prime is 42896837. The reversal of 42896800 is 869824.

It can be written as a sum of positive squares in 3 ways, for example, as 32216976 + 10679824 = 5676^2 + 3268^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42896800.

It is an unprimeable number.

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, 997579 + ... + 997621.

Almost surely, 242896800 is an apocalyptic number.

42896800 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 42896800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55455435).

42896800 is an abundant number, since it is smaller than the sum of its proper divisors (68014070).

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

42896800 is a wasteful number, since it uses less digits than its factorization.

42896800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 42896800 is about 6549.5648710430. The cubic root of 42896800 is about 350.0593096769.

It can be divided in two parts, 4 and 2896800, that added together give a square (2896804 = 17022).

The spelling of 42896800 in words is "forty-two million, eight hundred ninety-six thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 43 50 58 80 86 100 116 145 160 172 200 215 232 290 344 400 430 464 580 688 725 800 860 928 1075 1160 1247 1376 1450 1720 1849 2150 2320 2494 2900 3440 3698 4300 4640 4988 5800 6235 6880 7396 8600 9245 9976 11600 12470 14792 17200 18490 19952 23200 24940 29584 31175 34400 36980 39904 46225 49880 53621 59168 62350 73960 92450 99760 107242 124700 147920 184900 199520 214484 249400 268105 295840 369800 428968 498800 536210 739600 857936 997600 1072420 1340525 1479200 1715872 2144840 2681050 4289680 5362100 8579360 10724200 21448400 42896800