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2080215 = 33519811
BaseRepresentation
bin111111011110111010111
310220200112000
413323313113
51013031330
6112330343
723452524
oct7736727
93820460
102080215
1111a0995
128439b3
1357aac7
143c214b
152b1560
hex1fbdd7

2080215 has 32 divisors (see below), whose sum is σ = 3897600. Its totient is φ = 1049760.

The previous prime is 2080213. The next prime is 2080219. The reversal of 2080215 is 5120802.

It is not a de Polignac number, because 2080215 - 21 = 2080213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2160 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (121800).

22080215 is an apocalyptic number.

2080215 is a deficient number, since it is larger than the sum of its proper divisors (1817385).

2080215 is a wasteful number, since it uses less digits than its factorization.

2080215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2080215 is about 1442.2950460984. The cubic root of 2080215 is about 127.6544840257.

The spelling of 2080215 in words is "two million, eighty thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 19 27 45 57 95 135 171 285 513 811 855 2433 2565 4055 7299 12165 15409 21897 36495 46227 77045 109485 138681 231135 416043 693405 2080215