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2280840211 = 13175449247
BaseRepresentation
bin1000011111110010…
…1101110000010011
312212221210200120101
42013330231300103
514132343341321
61014154153231
7110343551626
oct20774556023
95787720511
102280840211
11a70525011
12537a22817
132a46c72c0
14178cc1dbd
15d5389791
hex87f2dc13

2280840211 has 4 divisors (see below), whose sum is σ = 2456289472. Its totient is φ = 2105390952.

The previous prime is 2280840157. The next prime is 2280840293. The reversal of 2280840211 is 1120480822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2280840211 - 29 = 2280839699 is a prime.

It is a super-2 number, since 2×22808402112 = 10404464136229049042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2280840211.

It is not an unprimeable number, because it can be changed into a prime (2280840811) 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 3 ways as a sum of consecutive naturals, for example, 87724611 + ... + 87724636.

It is an arithmetic number, because the mean of its divisors is an integer number (614072368).

Almost surely, 22280840211 is an apocalyptic number.

2280840211 is a deficient number, since it is larger than the sum of its proper divisors (175449261).

2280840211 is a wasteful number, since it uses less digits than its factorization.

2280840211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175449260.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 2280840211 is about 47758.1428763724. The cubic root of 2280840211 is about 1316.3305285675.

The spelling of 2280840211 in words is "two billion, two hundred eighty million, eight hundred forty thousand, two hundred eleven".

Divisors: 1 13 175449247 2280840211