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2041620 = 223574861
BaseRepresentation
bin111110010011100010100
310211201120120
413302130110
51010312440
6111431540
723232150
oct7623424
93751516
102041620
111174999
128255b0
13566379
143b2060
152a4dd0
hex1f2714

2041620 has 48 divisors (see below), whose sum is σ = 6534528. Its totient is φ = 466560.

The previous prime is 2041619. The next prime is 2041631. The reversal of 2041620 is 261402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2041620.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2011 + ... + 2850.

It is an arithmetic number, because the mean of its divisors is an integer number (136136).

22041620 is an apocalyptic number.

2041620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2041620 is an abundant number, since it is smaller than the sum of its proper divisors (4492908).

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

2041620 is a wasteful number, since it uses less digits than its factorization.

2041620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880 (or 4878 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2041620 is about 1428.8526865986. The cubic root of 2041620 is about 126.8600769493.

The spelling of 2041620 in words is "two million, forty-one thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 4861 9722 14583 19444 24305 29166 34027 48610 58332 68054 72915 97220 102081 136108 145830 170135 204162 291660 340270 408324 510405 680540 1020810 2041620