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242143300 = 22527249417
BaseRepresentation
bin11100110111011…
…01000001000100
3121212122011011101
432123231001010
5443442041200
640005545444
76000120100
oct1633550104
9555564141
10242143300
11114757933
1269115284
133b221579
1424232900
15163d126a
hexe6ed044

242143300 has 54 divisors (see below), whose sum is σ = 611251242. Its totient is φ = 83018880.

The previous prime is 242143289. The next prime is 242143337. The reversal of 242143300 is 3341242.

It can be written as a sum of positive squares in 3 ways, for example, as 63011844 + 179131456 = 7938^2 + 13384^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19809 + ... + 29608.

Almost surely, 2242143300 is an apocalyptic number.

242143300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242143300 is an abundant number, since it is smaller than the sum of its proper divisors (369107942).

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

242143300 is a wasteful number, since it uses less digits than its factorization.

242143300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49445 (or 49431 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 242143300 is about 15560.9543409137. The cubic root of 242143300 is about 623.2909468797.

Adding to 242143300 its reverse (3341242), we get a palindrome (245484542).

The spelling of 242143300 in words is "two hundred forty-two million, one hundred forty-three thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 350 490 700 980 1225 2450 4900 49417 98834 197668 247085 345919 494170 691838 988340 1235425 1383676 1729595 2421433 2470850 3459190 4842866 4941700 6918380 8647975 9685732 12107165 17295950 24214330 34591900 48428660 60535825 121071650 242143300