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47300000 = 25551143
BaseRepresentation
bin1011010001101…
…1110110100000
310022000002101212
42310123312200
544102100000
64405445252
71113020606
oct264336640
9108002355
1047300000
1124777210
1213a10828
139a51487
1463d3876
154244c35
hex2d1bda0

47300000 has 144 divisors (see below), whose sum is σ = 129929184. Its totient is φ = 16800000.

The previous prime is 47299999. The next prime is 47300003. The reversal of 47300000 is 374.

47300000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47300003) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1099979 + ... + 1100021.

It is an arithmetic number, because the mean of its divisors is an integer number (902286).

Almost surely, 247300000 is an apocalyptic number.

47300000 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 47300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64964592).

47300000 is an abundant number, since it is smaller than the sum of its proper divisors (82629184).

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

47300000 is an equidigital number, since it uses as much as digits as its factorization.

47300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 47300000 is about 6877.4995456198. The cubic root of 47300000 is about 361.6488154266.

Adding to 47300000 its reverse (374), we get a palindrome (47300374).

The spelling of 47300000 in words is "forty-seven million, three hundred thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 43 44 50 55 80 86 88 100 110 125 160 172 176 200 215 220 250 275 344 352 400 430 440 473 500 550 625 688 800 860 880 946 1000 1075 1100 1250 1375 1376 1720 1760 1892 2000 2150 2200 2365 2500 2750 3125 3440 3784 4000 4300 4400 4730 5000 5375 5500 6250 6875 6880 7568 8600 8800 9460 10000 10750 11000 11825 12500 13750 15136 17200 18920 20000 21500 22000 23650 25000 26875 27500 34375 34400 37840 43000 44000 47300 50000 53750 55000 59125 68750 75680 86000 94600 100000 107500 110000 118250 134375 137500 172000 189200 215000 220000 236500 268750 275000 295625 378400 430000 473000 537500 550000 591250 860000 946000 1075000 1100000 1182500 1478125 1892000 2150000 2365000 2956250 4300000 4730000 5912500 9460000 11825000 23650000 47300000