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220027625 = 531760221
BaseRepresentation
bin11010001110101…
…01101011101001
3120100000120011022
431013111223221
5422311341000
633455542225
75311126646
oct1507255351
9510016138
10220027625
11103222014
126182a975
133677a17c
1421316dcd
15144b3585
hexd1d5ae9

220027625 has 8 divisors (see below), whose sum is σ = 274594632. Its totient is φ = 176022000.

The previous prime is 220027601. The next prime is 220027663. The reversal of 220027625 is 526720022.

It can be written as a sum of positive squares in 4 ways, for example, as 46526041 + 173501584 = 6821^2 + 13172^2 .

It is a de Polignac number, because none of the positive numbers 2k-220027625 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220027594 and 220027603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879986 + ... + 880235.

It is an arithmetic number, because the mean of its divisors is an integer number (34324329).

Almost surely, 2220027625 is an apocalyptic number.

220027625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220027625 is a deficient number, since it is larger than the sum of its proper divisors (54567007).

220027625 is an equidigital number, since it uses as much as digits as its factorization.

220027625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760236 (or 1760226 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 220027625 is about 14833.3281835197. The cubic root of 220027625 is about 603.7063403338.

Adding to 220027625 its reverse (526720022), we get a palindrome (746747647).

The spelling of 220027625 in words is "two hundred twenty million, twenty-seven thousand, six hundred twenty-five".

Divisors: 1 5 25 125 1760221 8801105 44005525 220027625