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2982540 = 2235114519
BaseRepresentation
bin1011011000001010001100
312121112021110
423120022030
51230420130
6143532020
734231311
oct13301214
95545243
102982540
111757910
12bba010
13805722
14578d08
153ddab0
hex2d828c

2982540 has 48 divisors (see below), whose sum is σ = 9112320. Its totient is φ = 722880.

The previous prime is 2982527. The next prime is 2982557. The reversal of 2982540 is 452892.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2982498 and 2982507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1600 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (189840).

22982540 is an apocalyptic number.

2982540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2982540 is an abundant number, since it is smaller than the sum of its proper divisors (6129780).

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

2982540 is a wasteful number, since it uses less digits than its factorization.

2982540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542 (or 4540 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2982540 is about 1727.0031847104. The cubic root of 2982540 is about 143.9446160471.

The spelling of 2982540 in words is "two million, nine hundred eighty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 4519 9038 13557 18076 22595 27114 45190 49709 54228 67785 90380 99418 135570 149127 198836 248545 271140 298254 497090 596508 745635 994180 1491270 2982540