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194473000 = 23531131721
BaseRepresentation
bin10111001011101…
…10110000101000
3111112221020210201
423211312300220
5344241114000
631144121544
74550664451
oct1345666050
9445836721
10194473000
119a858497
12551662b4
13313a06a7
141bb84128
151211696a
hexb976c28

194473000 has 64 divisors (see below), whose sum is σ = 459360720. Its totient is φ = 77056000.

The previous prime is 194472997. The next prime is 194473001. The reversal of 194473000 is 374491.

194473000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 93636 + 194379364 = 306^2 + 13942^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194473000.

It is not an unprimeable number, because it can be changed into a prime (194473001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112140 + ... + 113860.

Almost surely, 2194473000 is an apocalyptic number.

194473000 is a gapful number since it is divisible by the number (10) 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 194473000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229680360).

194473000 is an abundant number, since it is smaller than the sum of its proper divisors (264887720).

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

194473000 is a wasteful number, since it uses less digits than its factorization.

194473000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 194473000 is about 13945.3576504871. The cubic root of 194473000 is about 579.3661327230.

The spelling of 194473000 in words is "one hundred ninety-four million, four hundred seventy-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 113 125 200 226 250 452 500 565 904 1000 1130 1721 2260 2825 3442 4520 5650 6884 8605 11300 13768 14125 17210 22600 28250 34420 43025 56500 68840 86050 113000 172100 194473 215125 344200 388946 430250 777892 860500 972365 1555784 1721000 1944730 3889460 4861825 7778920 9723650 19447300 24309125 38894600 48618250 97236500 194473000