Search a number
-
+
219875425 = 52711114221
BaseRepresentation
bin11010001101100…
…00100001100001
3120022201211101021
431012300201201
5422242003200
633452405441
75306624140
oct1506604141
9508654337
10219875425
11103128730
1261776881
1336725b03
14212b7757
151448341a
hexd1b0861

219875425 has 24 divisors (see below), whose sum is σ = 339924672. Its totient is φ = 137064000.

The previous prime is 219875393. The next prime is 219875437. The reversal of 219875425 is 524578912.

It is not a de Polignac number, because 219875425 - 25 = 219875393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55186 + ... + 59035.

It is an arithmetic number, because the mean of its divisors is an integer number (14163528).

Almost surely, 2219875425 is an apocalyptic number.

219875425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

219875425 is a deficient number, since it is larger than the sum of its proper divisors (120049247).

219875425 is a wasteful number, since it uses less digits than its factorization.

219875425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114249 (or 114244 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 219875425 is about 14828.1969571489. The cubic root of 219875425 is about 603.5671073633.

The spelling of 219875425 in words is "two hundred nineteen million, eight hundred seventy-five thousand, four hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1925 114221 571105 799547 1256431 2855525 3997735 6282155 8795017 19988675 31410775 43975085 219875425