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223125115 = 5211211493
BaseRepresentation
bin11010100110010…
…01111001111011
3120112211221010011
431103021321323
5424110000430
634050202351
75346350353
oct1523117173
9515757104
10223125115
11104a48224
12628833b7
13372c2cc5
14218c1b63
15148c622a
hexd4c9e7b

223125115 has 8 divisors (see below), whose sum is σ = 269020368. Its totient is φ = 177653280.

The previous prime is 223125109. The next prime is 223125127. The reversal of 223125115 is 511521322.

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

It is not a de Polignac number, because 223125115 - 25 = 223125083 is a prime.

It is a super-3 number, since 3×2231251153 (a number of 26 digits) contains 333 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 104692 + ... + 106801.

It is an arithmetic number, because the mean of its divisors is an integer number (33627546).

Almost surely, 2223125115 is an apocalyptic number.

223125115 is a deficient number, since it is larger than the sum of its proper divisors (45895253).

223125115 is a wasteful number, since it uses less digits than its factorization.

223125115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211709.

The product of its digits is 600, while the sum is 22.

The square root of 223125115 is about 14937.3730956952. The cubic root of 223125115 is about 606.5260882997.

Adding to 223125115 its reverse (511521322), we get a palindrome (734646437).

The spelling of 223125115 in words is "two hundred twenty-three million, one hundred twenty-five thousand, one hundred fifteen".

Divisors: 1 5 211 1055 211493 1057465 44625023 223125115