Search a number
-
+
223930294 = 2731971657
BaseRepresentation
bin11010101100011…
…10011110110110
3120121100211121121
431112032132312
5424311232134
634115334154
75356243000
oct1526163666
9517324547
10223930294
11105448165
1262bb135a
1337515643
1421a51370
15149d4ab4
hexd58e7b6

223930294 has 32 divisors (see below), whose sum is σ = 393940800. Its totient is φ = 95425344.

The previous prime is 223930271. The next prime is 223930339. The reversal of 223930294 is 492039322.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 134314 + ... + 135970.

It is an arithmetic number, because the mean of its divisors is an integer number (12310650).

Almost surely, 2223930294 is an apocalyptic number.

223930294 is a deficient number, since it is larger than the sum of its proper divisors (170010506).

223930294 is a wasteful number, since it uses less digits than its factorization.

223930294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 223930294 is about 14964.3006518848. The cubic root of 223930294 is about 607.2547912707.

It can be divided in two parts, 22 and 3930294, that multiplied together give a palindrome (86466468).

The spelling of 223930294 in words is "two hundred twenty-three million, nine hundred thirty thousand, two hundred ninety-four".

Divisors: 1 2 7 14 49 98 197 343 394 686 1379 1657 2758 3314 9653 11599 19306 23198 67571 81193 135142 162386 326429 568351 652858 1136702 2285003 4570006 15995021 31990042 111965147 223930294