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198083401 = 832386547
BaseRepresentation
bin10111100111010…
…00001101001001
3111210201200100021
423303220031021
5401202132101
631353340441
74623452425
oct1363501511
9453650307
10198083401
11a18a3a9a
1256407721
1332065b19
141c443b85
15125cb5a1
hexbce8349

198083401 has 4 divisors (see below), whose sum is σ = 200470032. Its totient is φ = 195696772.

The previous prime is 198083399. The next prime is 198083407. The reversal of 198083401 is 104380891.

It is a happy number.

198083401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104380891 = 891172819.

It is a cyclic number.

It is not a de Polignac number, because 198083401 - 21 = 198083399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198083407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193191 + ... + 1193356.

It is an arithmetic number, because the mean of its divisors is an integer number (50117508).

Almost surely, 2198083401 is an apocalyptic number.

It is an amenable number.

198083401 is a deficient number, since it is larger than the sum of its proper divisors (2386631).

198083401 is an equidigital number, since it uses as much as digits as its factorization.

198083401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386630.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 198083401 is about 14074.2104929548. The cubic root of 198083401 is about 582.9294919865.

The spelling of 198083401 in words is "one hundred ninety-eight million, eighty-three thousand, four hundred one".

Divisors: 1 83 2386547 198083401