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8530980 = 2235142183
BaseRepresentation
bin100000100010…
…110000100100
3121001102022020
4200202300210
54140442410
6502503140
7132340443
oct40426044
917042266
108530980
1148a74a7
122a34ab0
1319c9023
1411c0d5a
15b37a70
hex822c24

8530980 has 24 divisors (see below), whose sum is σ = 23886912. Its totient is φ = 2274912.

The previous prime is 8530939. The next prime is 8531009. The reversal of 8530980 is 890358.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71032 + ... + 71151.

It is an arithmetic number, because the mean of its divisors is an integer number (995288).

Almost surely, 28530980 is an apocalyptic number.

It is an amenable number.

8530980 is an abundant number, since it is smaller than the sum of its proper divisors (15355932).

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

8530980 is a wasteful number, since it uses less digits than its factorization.

8530980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142195 (or 142193 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 8530980 is about 2920.7841412881. The cubic root of 8530980 is about 204.3303950202.

The spelling of 8530980 in words is "eight million, five hundred thirty thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 142183 284366 426549 568732 710915 853098 1421830 1706196 2132745 2843660 4265490 8530980