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2214245549 = 4185363313
BaseRepresentation
bin1000001111111010…
…1011010010101101
312201022111022212102
42003332223102231
514013321324144
61003414544445
7105604530245
oct20376532255
95638438772
102214245549
11a3697a4aa
12519668125
1329397b789
14170108b25
15ce5d2b4e
hex83fab4ad

2214245549 has 8 divisors (see below), whose sum is σ = 2270946552. Its totient is φ = 2157672960.

The previous prime is 2214245521. The next prime is 2214245591. The reversal of 2214245549 is 9455424122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3553225 + 2210692324 = 1885^2 + 47018^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2214245549 - 212 = 2214241453 is a prime.

It is a super-2 number, since 2×22142455492 = 9805766702532622802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214245519) 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, 3317 + ... + 66629.

It is an arithmetic number, because the mean of its divisors is an integer number (283868319).

Almost surely, 22214245549 is an apocalyptic number.

It is an amenable number.

2214245549 is a deficient number, since it is larger than the sum of its proper divisors (56701003).

2214245549 is an equidigital number, since it uses as much as digits as its factorization.

2214245549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64207.

The product of its digits is 115200, while the sum is 38.

The square root of 2214245549 is about 47055.7706238034. The cubic root of 2214245549 is about 1303.3926274672.

The spelling of 2214245549 in words is "two billion, two hundred fourteen million, two hundred forty-five thousand, five hundred forty-nine".

Divisors: 1 41 853 34973 63313 2595833 54005989 2214245549