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2064620 = 225103231
BaseRepresentation
bin111111000000011101100
310212220010102
413320003230
51012031440
6112130232
723356205
oct7700354
93786112
102064620
1111901a8
12836978
1357398c
143ba5ac
152abb15
hex1f80ec

2064620 has 12 divisors (see below), whose sum is σ = 4335744. Its totient is φ = 825840.

The previous prime is 2064619. The next prime is 2064649. The reversal of 2064620 is 264602.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 103231 = 2064620 / (2 + 0 + 6 + 4 + 6 + 2 + 0).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2064592 and 2064601.

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 3 ways as a sum of consecutive naturals, for example, 51596 + ... + 51635.

It is an arithmetic number, because the mean of its divisors is an integer number (361312).

22064620 is an apocalyptic number.

2064620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064620 is an abundant number, since it is smaller than the sum of its proper divisors (2271124).

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

2064620 is a wasteful number, since it uses less digits than its factorization.

2064620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103240 (or 103238 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2064620 is about 1436.8785613266. The cubic root of 2064620 is about 127.3346825754.

The spelling of 2064620 in words is "two million, sixty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 103231 206462 412924 516155 1032310 2064620