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227160125 = 531817281
BaseRepresentation
bin11011000101000…
…11000000111101
3120211102221002222
431202203000331
5431123111000
634312455125
75425554263
oct1542430075
9524387088
10227160125
11107253845
12640aa4a5
13380a679a
1422252433
1514e21a85
hexd8a303d

227160125 has 8 divisors (see below), whose sum is σ = 283495992. Its totient is φ = 181728000.

The previous prime is 227160107. The next prime is 227160133. The reversal of 227160125 is 521061722.

It can be written as a sum of positive squares in 4 ways, for example, as 15952036 + 211208089 = 3994^2 + 14533^2 .

It is not a de Polignac number, because 227160125 - 26 = 227160061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227160094 and 227160103.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 908516 + ... + 908765.

It is an arithmetic number, because the mean of its divisors is an integer number (35436999).

Almost surely, 2227160125 is an apocalyptic number.

227160125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227160125 is a deficient number, since it is larger than the sum of its proper divisors (56335867).

227160125 is an equidigital number, since it uses as much as digits as its factorization.

227160125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817296 (or 1817286 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 227160125 is about 15071.8321713055. The cubic root of 227160125 is about 610.1604209451.

The spelling of 227160125 in words is "two hundred twenty-seven million, one hundred sixty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1817281 9086405 45432025 227160125