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2081284 = 22598819
BaseRepresentation
bin111111100001000000100
310220201222121
413330020010
51013100114
6112335324
723455612
oct7741004
93821877
102081284
1111a1777
12844544
1357b43a
143c26b2
152b1a24
hex1fc204

2081284 has 12 divisors (see below), whose sum is σ = 3704400. Its totient is φ = 1022888.

The previous prime is 2081281. The next prime is 2081291. The reversal of 2081284 is 4821802.

It is not an unprimeable number, because it can be changed into a prime (2081281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4174 + ... + 4645.

It is an arithmetic number, because the mean of its divisors is an integer number (308700).

22081284 is an apocalyptic number.

It is an amenable number.

2081284 is a deficient number, since it is larger than the sum of its proper divisors (1623116).

2081284 is a wasteful number, since it uses less digits than its factorization.

2081284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882 (or 8880 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2081284 is about 1442.6655884161. The cubic root of 2081284 is about 127.6763470342.

The spelling of 2081284 in words is "two million, eighty-one thousand, two hundred eighty-four".

Divisors: 1 2 4 59 118 236 8819 17638 35276 520321 1040642 2081284