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199470700 = 2252111322937
BaseRepresentation
bin10111110001110…
…10111001101100
3111220100011100201
423320322321230
5402031030300
631443203244
74641321142
oct1370727154
9456304321
10199470700
11a2661320
1256976524
1332430400
141c6c5592
15127a266a
hexbe3ae6c

199470700 has 216 divisors, whose sum is σ = 543246480. Its totient is φ = 62899200.

The previous prime is 199470653. The next prime is 199470701. The reversal of 199470700 is 7074991.

It is a super-3 number, since 3×1994707003 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 199470700.

It is not an unprimeable number, because it can be changed into a prime (199470701) 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 71 ways as a sum of consecutive naturals, for example, 5391082 + ... + 5391118.

It is an arithmetic number, because the mean of its divisors is an integer number (2515030).

Almost surely, 2199470700 is an apocalyptic number.

199470700 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 199470700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271623240).

199470700 is an abundant number, since it is smaller than the sum of its proper divisors (343775780).

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

199470700 is a wasteful number, since it uses less digits than its factorization.

199470700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 199470700 is about 14123.4096449830. The cubic root of 199470700 is about 584.2871976713.

The spelling of 199470700 in words is "one hundred ninety-nine million, four hundred seventy thousand, seven hundred".