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2274807397 = 3778412
BaseRepresentation
bin1000011110010110…
…1100111001100101
312212112110012002211
42013211230321211
514124322314042
61013421003421
7110241354352
oct20745547145
95775405084
102274807397
11a68084515
125359b3571
132a33943a5
14178191629
15d4a97017
hex8796ce65

2274807397 has 6 divisors (see below), whose sum is σ = 2336586674. Its totient is φ = 2213043840.

The previous prime is 2274807391. The next prime is 2274807421. The reversal of 2274807397 is 7937084722.

It can be written as a sum of positive squares in 3 ways, for example, as 463368676 + 1811438721 = 21526^2 + 42561^2 .

It is not a de Polignac number, because 2274807397 - 223 = 2266418789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2274807397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274807391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286197 + ... + 294037.

Almost surely, 22274807397 is an apocalyptic number.

It is an amenable number.

2274807397 is a deficient number, since it is larger than the sum of its proper divisors (61779277).

2274807397 is an frugal number, since it uses more digits than its factorization.

2274807397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15719 (or 7878 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The square root of 2274807397 is about 47694.9410000683. The cubic root of 2274807397 is about 1315.1689406914.

The spelling of 2274807397 in words is "two billion, two hundred seventy-four million, eight hundred seven thousand, three hundred ninety-seven".

Divisors: 1 37 7841 290117 61481281 2274807397