Search a number
-
+
227199425 = 5237245621
BaseRepresentation
bin11011000101011…
…00100111000001
3120211111221000112
431202230213001
5431130340200
634313401105
75426106665
oct1542544701
9524457015
10227199425
11107280322
1264109195
13380bb63b
14222628a5
1514e2d535
hexd8ac9c1

227199425 has 12 divisors (see below), whose sum is σ = 289342716. Its totient is φ = 176846400.

The previous prime is 227199391. The next prime is 227199431. The reversal of 227199425 is 524991722.

It can be written as a sum of positive squares in 6 ways, for example, as 4096 + 227195329 = 64^2 + 15073^2 .

It is not a de Polignac number, because 227199425 - 220 = 226150849 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121886 + ... + 123735.

It is an arithmetic number, because the mean of its divisors is an integer number (24111893).

Almost surely, 2227199425 is an apocalyptic number.

227199425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227199425 is a deficient number, since it is larger than the sum of its proper divisors (62143291).

227199425 is a wasteful number, since it uses less digits than its factorization.

227199425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245668 (or 245663 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 227199425 is about 15073.1358714768. The cubic root of 227199425 is about 610.1956059962.

The spelling of 227199425 in words is "two hundred twenty-seven million, one hundred ninety-nine thousand, four hundred twenty-five".

Divisors: 1 5 25 37 185 925 245621 1228105 6140525 9087977 45439885 227199425