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6989193 = 331715227
BaseRepresentation
bin11010101010010110001001
3111011002101000
4122222112021
53242123233
6405445213
7113256441
oct32522611
914132330
106989193
113a440a2
122410809
1315a9323
14cdd121
15930d13
hex6aa589

6989193 has 16 divisors (see below), whose sum is σ = 10964160. Its totient is φ = 4385088.

The previous prime is 6989183. The next prime is 6989219. The reversal of 6989193 is 3919896.

It is not a de Polignac number, because 6989193 - 210 = 6988169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6989113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7155 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (685260).

Almost surely, 26989193 is an apocalyptic number.

It is an amenable number.

6989193 is a deficient number, since it is larger than the sum of its proper divisors (3974967).

6989193 is a wasteful number, since it uses less digits than its factorization.

6989193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15253 (or 15247 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 6989193 is about 2643.7081911588. The cubic root of 6989193 is about 191.1946244907.

The spelling of 6989193 in words is "six million, nine hundred eighty-nine thousand, one hundred ninety-three".

Divisors: 1 3 9 17 27 51 153 459 15227 45681 137043 258859 411129 776577 2329731 6989193