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164398199 = 7115320369
BaseRepresentation
bin10011100110010…
…00010001110111
3102110100021221012
421303020101313
5314041220244
624151342435
74034235020
oct1163102167
9373307835
10164398199
1184886889
1247081a1b
13280a0654
1417b95c47
15e67589e
hex9cc8477

164398199 has 8 divisors (see below), whose sum is σ = 188055840. Its totient is φ = 140783616.

The previous prime is 164398189. The next prime is 164398217. The reversal of 164398199 is 991893461.

164398199 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 cyclic number.

It is not a de Polignac number, because 164398199 - 28 = 164397943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164398139) 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, 2114 + ... + 18255.

It is an arithmetic number, because the mean of its divisors is an integer number (23506980).

Almost surely, 2164398199 is an apocalyptic number.

164398199 is a deficient number, since it is larger than the sum of its proper divisors (23657641).

164398199 is a wasteful number, since it uses less digits than its factorization.

164398199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21529.

The product of its digits is 419904, while the sum is 50.

The square root of 164398199 is about 12821.7861080272. The cubic root of 164398199 is about 547.8130222832.

The spelling of 164398199 in words is "one hundred sixty-four million, three hundred ninety-eight thousand, one hundred ninety-nine".

Divisors: 1 7 1153 8071 20369 142583 23485457 164398199