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2268727349 = 7324103907
BaseRepresentation
bin1000011100111010…
…0000100000110101
312212010000021211212
42013032200200311
514121243233344
61013042411205
7110135602310
oct20716404065
95763007755
102268727349
11a64701489
12533960b05
132a2045b25
1417744b977
15d429579e
hex873a0835

2268727349 has 4 divisors (see below), whose sum is σ = 2592831264. Its totient is φ = 1944623436.

The previous prime is 2268727339. The next prime is 2268727387. The reversal of 2268727349 is 9437278622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2268727349 - 28 = 2268727093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2268727297 and 2268727306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268727309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162051947 + ... + 162051960.

It is an arithmetic number, because the mean of its divisors is an integer number (648207816).

Almost surely, 22268727349 is an apocalyptic number.

It is an amenable number.

2268727349 is a deficient number, since it is larger than the sum of its proper divisors (324103915).

2268727349 is an equidigital number, since it uses as much as digits as its factorization.

2268727349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324103914.

The product of its digits is 2032128, while the sum is 50.

The square root of 2268727349 is about 47631.1594337152. The cubic root of 2268727349 is about 1313.9961784039.

The spelling of 2268727349 in words is "two billion, two hundred sixty-eight million, seven hundred twenty-seven thousand, three hundred forty-nine".

Divisors: 1 7 324103907 2268727349