Search a number
-
+
6198891 = 32389839
BaseRepresentation
bin10111101001011001101011
3102122221021120
4113221121223
53041331031
6340510323
7103455366
oct27513153
912587246
106198891
113554356
1220ab3a3
1313906aa
14b750dd
15826a96
hex5e966b

6198891 has 8 divisors (see below), whose sum is σ = 8624640. Its totient is φ = 3952872.

The previous prime is 6198889. The next prime is 6198901. The reversal of 6198891 is 1988916.

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

It is not a de Polignac number, because 6198891 - 21 = 6198889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6198851) 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, 44851 + ... + 44988.

It is an arithmetic number, because the mean of its divisors is an integer number (1078080).

Almost surely, 26198891 is an apocalyptic number.

6198891 is a deficient number, since it is larger than the sum of its proper divisors (2425749).

6198891 is a wasteful number, since it uses less digits than its factorization.

6198891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89865.

The product of its digits is 31104, while the sum is 42.

The square root of 6198891 is about 2489.7572170796. The cubic root of 6198891 is about 183.6981009428.

The spelling of 6198891 in words is "six million, one hundred ninety-eight thousand, eight hundred ninety-one".

Divisors: 1 3 23 69 89839 269517 2066297 6198891