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2970980 = 225148549
BaseRepresentation
bin1011010101010101100100
312120221102022
423111111210
51230032410
6143402312
734152515
oct13252544
95527368
102970980
11174a161
12bb3398
1380039c
14574a0c
153da455
hex2d5564

2970980 has 12 divisors (see below), whose sum is σ = 6239100. Its totient is φ = 1188384.

The previous prime is 2970977. The next prime is 2970991. The reversal of 2970980 is 890792.

2970980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 708964 = 1504^2 + 842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2970980.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 74255 + ... + 74294.

It is an arithmetic number, because the mean of its divisors is an integer number (519925).

22970980 is an apocalyptic number.

2970980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2970980 is an abundant number, since it is smaller than the sum of its proper divisors (3268120).

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

2970980 is a wasteful number, since it uses less digits than its factorization.

2970980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148558 (or 148556 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 2970980 is about 1723.6530973488. The cubic root of 2970980 is about 143.7584040455.

The spelling of 2970980 in words is "two million, nine hundred seventy thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 148549 297098 594196 742745 1485490 2970980