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196471900 = 22521964719
BaseRepresentation
bin10111011010111…
…10110001011100
3111200200210210001
423231132301130
5400244100100
631255024044
74603661242
oct1355366134
9450623701
10196471900
11a09a3279
125596b024
1331920481
141c144792
15123add6a
hexbb5ec5c

196471900 has 18 divisors (see below), whose sum is σ = 426344240. Its totient is φ = 78588720.

The previous prime is 196471889. The next prime is 196471903. The reversal of 196471900 is 9174691.

It is a super-3 number, since 3×1964719003 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 196471900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196471903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 982260 + ... + 982459.

Almost surely, 2196471900 is an apocalyptic number.

196471900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196471900 is an abundant number, since it is smaller than the sum of its proper divisors (229872340).

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

196471900 is a wasteful number, since it uses less digits than its factorization.

196471900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964733 (or 1964726 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 196471900 is about 14016.8434392341. The cubic root of 196471900 is about 581.3443844108.

The spelling of 196471900 in words is "one hundred ninety-six million, four hundred seventy-one thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1964719 3929438 7858876 9823595 19647190 39294380 49117975 98235950 196471900