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6980395 = 5672311
BaseRepresentation
bin11010101000001100101011
3111010122022011
4122220030223
53241333040
6405340351
7113222002
oct32501453
914118264
106980395
113a38524
1224076b7
1315a5316
14cd9c39
1592d3ea
hex6a832b

6980395 has 12 divisors (see below), whose sum is σ = 8530704. Its totient is φ = 5483280.

The previous prime is 6980371. The next prime is 6980399. The reversal of 6980395 is 5930896.

It is not a de Polignac number, because 6980395 - 29 = 6979883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6980399) 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 11 ways as a sum of consecutive naturals, for example, 22290 + ... + 22600.

It is an arithmetic number, because the mean of its divisors is an integer number (710892).

Almost surely, 26980395 is an apocalyptic number.

6980395 is a deficient number, since it is larger than the sum of its proper divisors (1550309).

6980395 is an equidigital number, since it uses as much as digits as its factorization.

6980395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 6980395 is about 2642.0437165195. The cubic root of 6980395 is about 191.1143655050.

The spelling of 6980395 in words is "six million, nine hundred eighty thousand, three hundred ninety-five".

Divisors: 1 5 67 311 335 1555 4489 20837 22445 104185 1396079 6980395