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7061980 = 225353099
BaseRepresentation
bin11010111100000111011100
3111021210012211
4122330013130
53301440410
6411210204
7114011602
oct32740734
914253184
107061980
113a93852
122446964
1316034b3
14d1b872
1594768a
hex6bc1dc

7061980 has 12 divisors (see below), whose sum is σ = 14830200. Its totient is φ = 2824784.

The previous prime is 7061969. The next prime is 7061981. The reversal of 7061980 is 891607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176530 + ... + 176569.

It is an arithmetic number, because the mean of its divisors is an integer number (1235850).

Almost surely, 27061980 is an apocalyptic number.

It is an amenable number.

7061980 is an abundant number, since it is smaller than the sum of its proper divisors (7768220).

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

7061980 is a wasteful number, since it uses less digits than its factorization.

7061980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353108 (or 353106 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 7061980 is about 2657.4386164124. The cubic root of 7061980 is about 191.8560480597.

The spelling of 7061980 in words is "seven million, sixty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 353099 706198 1412396 1765495 3530990 7061980