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199830038 = 2409244291
BaseRepresentation
bin10111110100100…
…10101000010110
3111221000102021112
423322102220112
5402124030123
631455015022
74644345602
oct1372225026
9457012245
10199830038
11a28872a1
1256b0a472
1332527b35
141c77a502
1512823d78
hexbe92a16

199830038 has 8 divisors (see below), whose sum is σ = 300479160. Its totient is φ = 99670320.

The previous prime is 199829983. The next prime is 199830047. The reversal of 199830038 is 830038991.

199830038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 199829977 and 199830004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121328 + ... + 122963.

It is an arithmetic number, because the mean of its divisors is an integer number (37559895).

Almost surely, 2199830038 is an apocalyptic number.

199830038 is a deficient number, since it is larger than the sum of its proper divisors (100649122).

199830038 is a wasteful number, since it uses less digits than its factorization.

199830038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244702.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 199830038 is about 14136.1252824103. The cubic root of 199830038 is about 584.6378433937.

The spelling of 199830038 in words is "one hundred ninety-nine million, eight hundred thirty thousand, thirty-eight".

Divisors: 1 2 409 818 244291 488582 99915019 199830038