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6980121 = 33419617
BaseRepresentation
bin11010101000001000011001
3111010121221000
4122220020121
53241330441
6405335213
7113221131
oct32501031
914117830
106980121
113a382a5
122407509
1315a5165
14cd9ac1
1592d2b6
hex6a8219

6980121 has 16 divisors (see below), whose sum is σ = 10382400. Its totient is φ = 4634784.

The previous prime is 6980117. The next prime is 6980137. The reversal of 6980121 is 1210896.

It is not a de Polignac number, because 6980121 - 22 = 6980117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6980101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11005 + ... + 11621.

It is an arithmetic number, because the mean of its divisors is an integer number (648900).

Almost surely, 26980121 is an apocalyptic number.

It is an amenable number.

6980121 is a deficient number, since it is larger than the sum of its proper divisors (3402279).

6980121 is a wasteful number, since it uses less digits than its factorization.

6980121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 6980121 is about 2641.9918622131. The cubic root of 6980121 is about 191.1118648814. Note that the first 3 decimals are identical.

The spelling of 6980121 in words is "six million, nine hundred eighty thousand, one hundred twenty-one".

Divisors: 1 3 9 27 419 617 1257 1851 3771 5553 11313 16659 258523 775569 2326707 6980121