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2209223453 = 14931479721
BaseRepresentation
bin1000001110101110…
…0001001100011101
312200222001011211212
42003223201030131
514011030122303
61003115154205
7105514042463
oct20353411435
95628034755
102209223453
11a3405a308
12517a45965
13292910918
1416d59c833
15cde3ead8
hex83ae131d

2209223453 has 4 divisors (see below), whose sum is σ = 2210704668. Its totient is φ = 2207742240.

The previous prime is 2209223441. The next prime is 2209223473. The reversal of 2209223453 is 3543229022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1609855129 + 599368324 = 40123^2 + 24482^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209223453 - 210 = 2209222429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209223473) 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, 738368 + ... + 741353.

It is an arithmetic number, because the mean of its divisors is an integer number (552676167).

Almost surely, 22209223453 is an apocalyptic number.

It is an amenable number.

2209223453 is a deficient number, since it is larger than the sum of its proper divisors (1481215).

2209223453 is a wasteful number, since it uses less digits than its factorization.

2209223453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481214.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2209223453 is about 47002.3770994617. The cubic root of 2209223453 is about 1302.4064799989.

The spelling of 2209223453 in words is "two billion, two hundred nine million, two hundred twenty-three thousand, four hundred fifty-three".

Divisors: 1 1493 1479721 2209223453