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6982420 = 225349121
BaseRepresentation
bin11010101000101100010100
3111010202002011
4122220230110
53241414140
6405354004
7113230624
oct32505424
914122064
106982420
113a39aa5
122408904
1315a6213
14cda884
1592dcea
hex6a8b14

6982420 has 12 divisors (see below), whose sum is σ = 14663124. Its totient is φ = 2792960.

The previous prime is 6982411. The next prime is 6982421. The reversal of 6982420 is 242896.

It can be written as a sum of positive squares in 2 ways, for example, as 4112784 + 2869636 = 2028^2 + 1694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6982421) 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, 174541 + ... + 174580.

It is an arithmetic number, because the mean of its divisors is an integer number (1221927).

Almost surely, 26982420 is an apocalyptic number.

It is an amenable number.

6982420 is an abundant number, since it is smaller than the sum of its proper divisors (7680704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6982420 is a wasteful number, since it uses less digits than its factorization.

6982420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349130 (or 349128 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6982420 is about 2642.4269147888. The cubic root of 6982420 is about 191.1328443625.

The spelling of 6982420 in words is "six million, nine hundred eighty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 349121 698242 1396484 1745605 3491210 6982420