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2539140 = 2235101419
BaseRepresentation
bin1001101011111010000100
311210000001020
421223322010
51122223030
6130231140
730403512
oct11537204
94700036
102539140
11148476a
12a254b0
136ab966
144a14b2
15352510
hex26be84

2539140 has 48 divisors (see below), whose sum is σ = 7197120. Its totient is φ = 668800.

The previous prime is 2539123. The next prime is 2539151. The reversal of 2539140 is 419352.

2539140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2539140.

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 15 ways as a sum of consecutive naturals, for example, 5851 + ... + 6269.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

22539140 is an apocalyptic number.

2539140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2539140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3598560).

2539140 is an abundant number, since it is smaller than the sum of its proper divisors (4657980).

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

2539140 is a wasteful number, since it uses less digits than its factorization.

2539140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2539140 is about 1593.4679162129. The cubic root of 2539140 is about 136.4254983964.

The spelling of 2539140 in words is "two million, five hundred thirty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 101 202 303 404 419 505 606 838 1010 1212 1257 1515 1676 2020 2095 2514 3030 4190 5028 6060 6285 8380 12570 25140 42319 84638 126957 169276 211595 253914 423190 507828 634785 846380 1269570 2539140