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199613475 = 3252887171
BaseRepresentation
bin10111110010111…
…01110000100011
3111220121102012200
423321131300203
5402100112400
631450224243
74642454325
oct1371356043
9456542180
10199613475
11a2749616
1256a25083
13324803a9
141c721615
15127ceb00
hexbe5dc23

199613475 has 18 divisors (see below), whose sum is σ = 357530316. Its totient is φ = 106460400.

The previous prime is 199613431. The next prime is 199613489. The reversal of 199613475 is 574316991.

It is not a de Polignac number, because 199613475 - 27 = 199613347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 199613475.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 443361 + ... + 443810.

Almost surely, 2199613475 is an apocalyptic number.

199613475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199613475 is a deficient number, since it is larger than the sum of its proper divisors (157916841).

199613475 is a wasteful number, since it uses less digits than its factorization.

199613475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887187 (or 887179 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 199613475 is about 14128.4632922339. The cubic root of 199613475 is about 584.4265693669.

It can be divided in two parts, 19961 and 3475, that added together give a triangular number (23436 = T216).

The spelling of 199613475 in words is "one hundred ninety-nine million, six hundred thirteen thousand, four hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 225 887171 2661513 4435855 7984539 13307565 22179275 39922695 66537825 199613475