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2064840 = 233517207
BaseRepresentation
bin111111000000111001000
310212220102120
413320013020
51012033330
6112131240
723356641
oct7700710
93786376
102064840
111190388
12836b20
13573acb
143ba6c8
152abc10
hex1f81c8

2064840 has 32 divisors (see below), whose sum is σ = 6194880. Its totient is φ = 550592.

The previous prime is 2064833. The next prime is 2064847. The reversal of 2064840 is 484602.

It is an interprime number because it is at equal distance from previous prime (2064833) and next prime (2064847).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2064840.

It is not an unprimeable number, because it can be changed into a prime (2064847) 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, 8484 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (193590).

22064840 is an apocalyptic number.

2064840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064840 is an abundant number, since it is smaller than the sum of its proper divisors (4130040).

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

2064840 is a wasteful number, since it uses less digits than its factorization.

2064840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17221 (or 17217 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2064840 is about 1436.9551141215. The cubic root of 2064840 is about 127.3392052213.

The spelling of 2064840 in words is "two million, sixty-four thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 17207 34414 51621 68828 86035 103242 137656 172070 206484 258105 344140 412968 516210 688280 1032420 2064840