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2077220 = 225283367
BaseRepresentation
bin111111011001000100100
310220112102002
413323020210
51012432340
6112304432
723441015
oct7731044
93815362
102077220
111199712
12842118
13579632
143c100c
152b0715
hex1fb224

2077220 has 24 divisors (see below), whose sum is σ = 4389504. Its totient is φ = 825696.

The previous prime is 2077189. The next prime is 2077249. The reversal of 2077220 is 227702.

2077220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2077192 and 2077201.

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 7 ways as a sum of consecutive naturals, for example, 5477 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (182896).

22077220 is an apocalyptic number.

2077220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2077220 is an abundant number, since it is smaller than the sum of its proper divisors (2312284).

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

2077220 is a wasteful number, since it uses less digits than its factorization.

2077220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 2077220 is about 1441.2563963431. The cubic root of 2077220 is about 127.5931908723.

The spelling of 2077220 in words is "two million, seventy-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 283 367 566 734 1132 1415 1468 1835 2830 3670 5660 7340 103861 207722 415444 519305 1038610 2077220