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2390980 = 225119549
BaseRepresentation
bin1001000111101111000100
311111110210211
421013233010
51103002410
6123125204
726215534
oct11075704
94443724
102390980
111393419
12973804
136593a7
144634c4
1532368a
hex247bc4

2390980 has 12 divisors (see below), whose sum is σ = 5021100. Its totient is φ = 956384.

The previous prime is 2390957. The next prime is 2390987. The reversal of 2390980 is 890932.

It is a happy number.

2390980 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 1132096 + 1258884 = 1064^2 + 1122^2 .

It is not an unprimeable number, because it can be changed into a prime (2390987) by changing a digit.

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, 59755 + ... + 59794.

It is an arithmetic number, because the mean of its divisors is an integer number (418425).

22390980 is an apocalyptic number.

2390980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2390980 is an abundant number, since it is smaller than the sum of its proper divisors (2630120).

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

2390980 is a wasteful number, since it uses less digits than its factorization.

2390980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119558 (or 119556 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2390980 is about 1546.2794055409. The cubic root of 2390980 is about 133.7186493033.

The spelling of 2390980 in words is "two million, three hundred ninety thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 119549 239098 478196 597745 1195490 2390980