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198160401 = 3312130757
BaseRepresentation
bin10111100111110…
…11000000010001
3111210212120222010
423303323000101
5401212113101
631355133133
74624223055
oct1363730021
9453776863
10198160401
11a194692a
12564441a9
1332091b9a
141c463c65
15125e42d6
hexbcfb011

198160401 has 8 divisors (see below), whose sum is σ = 272737024. Its totient is φ = 127845360.

The previous prime is 198160379. The next prime is 198160423. The reversal of 198160401 is 104061891.

198160401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (198160379) and next prime (198160423).

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

It is not a de Polignac number, because 198160401 - 29 = 198159889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198160441) 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, 1065286 + ... + 1065471.

It is an arithmetic number, because the mean of its divisors is an integer number (34092128).

Almost surely, 2198160401 is an apocalyptic number.

It is an amenable number.

198160401 is a deficient number, since it is larger than the sum of its proper divisors (74576623).

198160401 is a wasteful number, since it uses less digits than its factorization.

198160401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130791.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 198160401 is about 14076.9457269679. The cubic root of 198160401 is about 583.0050153197.

The spelling of 198160401 in words is "one hundred ninety-eight million, one hundred sixty thousand, four hundred one".

Divisors: 1 3 31 93 2130757 6392271 66053467 198160401