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2206280 = 235192903
BaseRepresentation
bin1000011010101001001000
311011002110002
420122221020
51031100110
6115142132
724516206
oct10325110
94132402
102206280
11127767a
128a4948
135c32bb
14416076
152d8aa5
hex21aa48

2206280 has 32 divisors (see below), whose sum is σ = 5227200. Its totient is φ = 835776.

The previous prime is 2206249. The next prime is 2206283. The reversal of 2206280 is 826022.

It is a super-3 number, since 3×22062803 = 32218338423339456000, which contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2206283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (163350).

22206280 is an apocalyptic number.

2206280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206280 is an abundant number, since it is smaller than the sum of its proper divisors (3020920).

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

2206280 is a wasteful number, since it uses less digits than its factorization.

2206280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2206280 is about 1485.3551763804. The cubic root of 2206280 is about 130.1827803652.

The spelling of 2206280 in words is "two million, two hundred six thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 2903 5806 11612 14515 23224 29030 55157 58060 110314 116120 220628 275785 441256 551570 1103140 2206280