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197434000 = 245398717
BaseRepresentation
bin10111100010010…
…01101010010000
3111202111200112101
423301021222100
5401020342000
631331410144
74615106221
oct1361115220
9452450471
10197434000
11a14a00a5
1256153954
1331b9936a
141c315248
15124ede6a
hexbc49a90

197434000 has 40 divisors (see below), whose sum is σ = 477400248. Its totient is φ = 78972800.

The previous prime is 197433979. The next prime is 197434007. The reversal of 197434000 is 434791.

It can be written as a sum of positive squares in 4 ways, for example, as 4112784 + 193321216 = 2028^2 + 13904^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 197434000.

It is not an unprimeable number, because it can be changed into a prime (197434007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47359 + ... + 51358.

Almost surely, 2197434000 is an apocalyptic number.

197434000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197434000 is an abundant number, since it is smaller than the sum of its proper divisors (279966248).

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

197434000 is an equidigital number, since it uses as much as digits as its factorization.

197434000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98740 (or 98724 counting only the distinct ones).

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

The square root of 197434000 is about 14051.1209517248. The cubic root of 197434000 is about 582.2917649215.

Adding to 197434000 its reverse (434791), we get a palindrome (197868791).

The spelling of 197434000 in words is "one hundred ninety-seven million, four hundred thirty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 98717 197434 394868 493585 789736 987170 1579472 1974340 2467925 3948680 4935850 7897360 9871700 12339625 19743400 24679250 39486800 49358500 98717000 197434000