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199830046 = 21367114713
BaseRepresentation
bin10111110100100…
…10101000011110
3111221000102021211
423322102220132
5402124030141
631455015034
74644345613
oct1372225036
9457012254
10199830046
11a28872a9
1256b0a47a
1332527b40
141c77a50a
1512823d81
hexbe92a1e

199830046 has 16 divisors (see below), whose sum is σ = 327623184. Its totient is φ = 90851904.

The previous prime is 199829983. The next prime is 199830047. The reversal of 199830046 is 640038991.

It is a junction number, because it is equal to n+sod(n) for n = 199829990 and 199830008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199830047) 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, 55615 + ... + 59098.

It is an arithmetic number, because the mean of its divisors is an integer number (20476449).

Almost surely, 2199830046 is an apocalyptic number.

199830046 is a deficient number, since it is larger than the sum of its proper divisors (127793138).

199830046 is a wasteful number, since it uses less digits than its factorization.

199830046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114795.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 199830046 is about 14136.1255653733. The cubic root of 199830046 is about 584.6378511955.

The spelling of 199830046 in words is "one hundred ninety-nine million, eight hundred thirty thousand, forty-six".

Divisors: 1 2 13 26 67 134 871 1742 114713 229426 1491269 2982538 7685771 15371542 99915023 199830046