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2205211090 = 25220521109
BaseRepresentation
bin1000001101110000…
…1101100111010010
312200200111022220211
42003130031213102
514004013223330
61002453154334
7105434661565
oct20334154722
95620438824
102205211090
11a31869805
1251662b9aa
13291b37544
1416cc364dc
15cd8ead2a
hex8370d9d2

2205211090 has 8 divisors (see below), whose sum is σ = 3969379980. Its totient is φ = 882084432.

The previous prime is 2205211087. The next prime is 2205211091. The reversal of 2205211090 is 901125022.

It can be written as a sum of positive squares in 2 ways, for example, as 2204020809 + 1190281 = 46947^2 + 1091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2205211091) 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, 110260545 + ... + 110260564.

Almost surely, 22205211090 is an apocalyptic number.

2205211090 is a deficient number, since it is larger than the sum of its proper divisors (1764168890).

2205211090 is a wasteful number, since it uses less digits than its factorization.

2205211090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220521116.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2205211090 is about 46959.6751479394. The cubic root of 2205211090 is about 1301.6175309237.

The spelling of 2205211090 in words is "two billion, two hundred five million, two hundred eleven thousand, ninety".

Divisors: 1 2 5 10 220521109 441042218 1102605545 2205211090