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2540460 = 2235133257
BaseRepresentation
bin1001101100001110101100
311210001212010
421230032230
51122243320
6130241220
730410406
oct11541654
94701763
102540460
11148575a
12a26210
136ac440
144a1b76
15352ae0
hex26c3ac

2540460 has 48 divisors (see below), whose sum is σ = 7662816. Its totient is φ = 625152.

The previous prime is 2540443. The next prime is 2540479. The reversal of 2540460 is 640452.

2540460 = T429 + T430 + ... + T454.

It is a happy number.

2540460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 849 + ... + 2408.

It is an arithmetic number, because the mean of its divisors is an integer number (159642).

22540460 is an apocalyptic number.

2540460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540460 is an abundant number, since it is smaller than the sum of its proper divisors (5122356).

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

2540460 is a wasteful number, since it uses less digits than its factorization.

2540460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282 (or 3280 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2540460 is about 1593.8820533528. The cubic root of 2540460 is about 136.4491350688.

The spelling of 2540460 in words is "two million, five hundred forty thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 3257 6514 9771 13028 16285 19542 32570 39084 42341 48855 65140 84682 97710 127023 169364 195420 211705 254046 423410 508092 635115 846820 1270230 2540460