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1882258225 = 5286772
BaseRepresentation
bin111000000110000…
…1111101100110001
311212011210121212121
41300030033230301
512323324230400
6510435154241
764433634211
oct16014175461
94764717777
101882258225
11886538511
12446445981
1323cc61283
1413bdaa241
15b03a621a
hex7030fb31

1882258225 has 9 divisors (see below), whose sum is σ = 2334269217. Its totient is φ = 1505633040.

The previous prime is 1882258219. The next prime is 1882258229. The reversal of 1882258225 is 5228522881.

The square root of 1882258225 is 43385.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 271359729 + 1610898496 = 16473^2 + 40136^2 .

It is not a de Polignac number, because 1882258225 - 217 = 1882127153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1882258229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 212587 + ... + 221263.

Almost surely, 21882258225 is an apocalyptic number.

1882258225 is the 43385-th square number.

1882258225 is the 21693-rd centered octagonal number.

It is an amenable number.

1882258225 is a deficient number, since it is larger than the sum of its proper divisors (452010992).

1882258225 is an frugal number, since it uses more digits than its factorization.

1882258225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17364 (or 8682 counting only the distinct ones).

The product of its digits is 204800, while the sum is 43.

The cubic root of 1882258225 is about 1234.6951281855.

The spelling of 1882258225 in words is "one billion, eight hundred eighty-two million, two hundred fifty-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 8677 43385 216925 75290329 376451645 1882258225