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5398191 = 33199933
BaseRepresentation
bin10100100101111010101111
3101011020221000
4110211322233
52340220231
6311411343
763612111
oct24457257
911136830
105398191
113057817
121983b53
1311700c6
14a073b1
157196e6
hex525eaf

5398191 has 8 divisors (see below), whose sum is σ = 7997360. Its totient is φ = 3598776.

The previous prime is 5398187. The next prime is 5398199. The reversal of 5398191 is 1918935.

It is a happy number.

It is not a de Polignac number, because 5398191 - 22 = 5398187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398199) 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, 99940 + ... + 99993.

It is an arithmetic number, because the mean of its divisors is an integer number (999670).

Almost surely, 25398191 is an apocalyptic number.

5398191 is a deficient number, since it is larger than the sum of its proper divisors (2599169).

5398191 is a wasteful number, since it uses less digits than its factorization.

5398191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199942 (or 199936 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 5398191 is about 2323.4007402943. The cubic root of 5398191 is about 175.4214711859.

The spelling of 5398191 in words is "five million, three hundred ninety-eight thousand, one hundred ninety-one".

Divisors: 1 3 9 27 199933 599799 1799397 5398191