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2115340 = 225105767
BaseRepresentation
bin1000000100011100001100
310222110200221
420010130030
51020142330
6113201124
723660113
oct10043414
93873627
102115340
111215317
128601a4
13590aa6
143d0c7a
152bbb7a
hex20470c

2115340 has 12 divisors (see below), whose sum is σ = 4442256. Its totient is φ = 846128.

The previous prime is 2115331. The next prime is 2115343. The reversal of 2115340 is 435112.

It is not an unprimeable number, because it can be changed into a prime (2115343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52864 + ... + 52903.

It is an arithmetic number, because the mean of its divisors is an integer number (370188).

22115340 is an apocalyptic number.

2115340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115340 is an abundant number, since it is smaller than the sum of its proper divisors (2326916).

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

2115340 is a wasteful number, since it uses less digits than its factorization.

2115340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105776 (or 105774 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2115340 is about 1454.4208469353. The cubic root of 2115340 is about 128.3689711936.

The spelling of 2115340 in words is "two million, one hundred fifteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 105767 211534 423068 528835 1057670 2115340