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419020900 = 2252232892
BaseRepresentation
bin11000111110011…
…100000001100100
31002012110110121121
4120332130001210
51324232132100
6105325023324
713245422164
oct3076340144
91065413547
10419020900
111a5587671
12b83b4b44
1368a7117c
143d9165a4
1526bbe51a
hex18f9c064

419020900 has 81 divisors (see below), whose sum is σ = 961328011. Its totient is φ = 158519680.

The previous prime is 419020897. The next prime is 419020907. The reversal of 419020900 is 9020914.

The square root of 419020900 is 20470.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 87198244 + 331822656 = 9338^2 + 18216^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (419020907) 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 26 ways as a sum of consecutive naturals, for example, 4708056 + ... + 4708144.

Almost surely, 2419020900 is an apocalyptic number.

419020900 is the 20470-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 419020900

419020900 is an abundant number, since it is smaller than the sum of its proper divisors (542307111).

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

419020900 is a wasteful number, since it uses less digits than its factorization.

419020900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The cubic root of 419020900 is about 748.3048530036.

Multiplying 419020900 by its sum of digits (25), we get a square (10475522500 = 1023502).

419020900 divided by its sum of digits (25) gives a square (16760836 = 40942).

The spelling of 419020900 in words is "four hundred nineteen million, twenty thousand, nine hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 89 92 100 115 178 230 356 445 460 529 575 890 1058 1150 1780 2047 2116 2225 2300 2645 4094 4450 5290 7921 8188 8900 10235 10580 13225 15842 20470 26450 31684 39605 40940 47081 51175 52900 79210 94162 102350 158420 182183 188324 198025 204700 235405 364366 396050 470810 728732 792100 910915 941620 1177025 1821830 2354050 3643660 4190209 4554575 4708100 8380418 9109150 16760836 18218300 20951045 41902090 83804180 104755225 209510450 419020900