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194230000 = 245419423
BaseRepresentation
bin10111001001110…
…11011011110000
3111112110220110201
423210323123300
5344210330000
631135004544
74545633136
oct1344733360
9445426421
10194230000
119a701968
1255069754
1331316bc3
141bb1d756
15120b996a
hexb93b6f0

194230000 has 50 divisors (see below), whose sum is σ = 470274464. Its totient is φ = 77688000.

The previous prime is 194229967. The next prime is 194230007. The reversal of 194230000 is 32491.

It is a tau number, because it is divible by the number of its divisors (50).

It is a self number, because there is not a number n which added to its sum of digits gives 194230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194230007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 289 + ... + 19711.

Almost surely, 2194230000 is an apocalyptic number.

194230000 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 194230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235137232).

194230000 is an abundant number, since it is smaller than the sum of its proper divisors (276044464).

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

194230000 is an equidigital number, since it uses as much as digits as its factorization.

194230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19451 (or 19430 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 194230000 is about 13936.6423502937. The cubic root of 194230000 is about 579.1247202051.

Adding to 194230000 its reverse (32491), we get a palindrome (194262491).

The spelling of 194230000 in words is "one hundred ninety-four million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 19423 38846 77692 97115 155384 194230 310768 388460 485575 776920 971150 1553840 1942300 2427875 3884600 4855750 7769200 9711500 12139375 19423000 24278750 38846000 48557500 97115000 194230000