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2986540 = 225314817
BaseRepresentation
bin1011011001001000101100
312121201202121
423121020230
51231032130
6144002324
734246054
oct13311054
95551677
102986540
11175a917
1210003a4
138074ab
1457a564
153ded7a
hex2d922c

2986540 has 24 divisors (see below), whose sum is σ = 6475392. Its totient is φ = 1155840.

The previous prime is 2986531. The next prime is 2986541. The reversal of 2986540 is 456892.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2986496 and 2986505.

It is not an unprimeable number, because it can be changed into a prime (2986541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789 + ... + 3028.

It is an arithmetic number, because the mean of its divisors is an integer number (269808).

22986540 is an apocalyptic number.

2986540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2986540 is an abundant number, since it is smaller than the sum of its proper divisors (3488852).

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

2986540 is a wasteful number, since it uses less digits than its factorization.

2986540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857 (or 4855 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2986540 is about 1728.1608721412. The cubic root of 2986540 is about 144.0089372025.

The spelling of 2986540 in words is "two million, nine hundred eighty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 4817 9634 19268 24085 48170 96340 149327 298654 597308 746635 1493270 2986540