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42310400 = 285211601
BaseRepresentation
bin1010000101100…
…1101100000000
32221121120221212
42201121230000
541312413100
64110505252
71022426636
oct241315400
987546855
1042310400
1121979480
1212205228
1389c5352
145895356
153aab635
hex2859b00

42310400 has 108 divisors (see below), whose sum is σ = 114435384. Its totient is φ = 15360000.

The previous prime is 42310369. The next prime is 42310403. The reversal of 42310400 is 401324.

It is not an unprimeable number, because it can be changed into a prime (42310403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70100 + ... + 70700.

Almost surely, 242310400 is an apocalyptic number.

42310400 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 42310400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57217692).

42310400 is an abundant number, since it is smaller than the sum of its proper divisors (72124984).

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

42310400 is a wasteful number, since it uses less digits than its factorization.

42310400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42310400 is about 6504.6444945131. The cubic root of 42310400 is about 348.4568799841.

Adding to 42310400 its reverse (401324), we get a palindrome (42711724).

It can be divided in two parts, 4 and 2310400, that multiplied together give a square (9241600 = 30402).

The spelling of 42310400 in words is "forty-two million, three hundred ten thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 128 160 176 200 220 256 275 320 352 400 440 550 601 640 704 800 880 1100 1202 1280 1408 1600 1760 2200 2404 2816 3005 3200 3520 4400 4808 6010 6400 6611 7040 8800 9616 12020 13222 14080 15025 17600 19232 24040 26444 30050 33055 35200 38464 48080 52888 60100 66110 70400 76928 96160 105776 120200 132220 153856 165275 192320 211552 240400 264440 330550 384640 423104 480800 528880 661100 769280 846208 961600 1057760 1322200 1692416 1923200 2115520 2644400 3846400 4231040 5288800 8462080 10577600 21155200 42310400