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1085472125 = 5361142357
BaseRepresentation
bin100000010110010…
…1111110101111101
32210122111200211022
41000230233311331
54210340102000
6255413233525
735620234523
oct10054576575
92718450738
101085472125
115077a2301
122636328a5
13143b651ca
14a423a313
1565466585
hex40b2fd7d

1085472125 has 16 divisors (see below), whose sum is σ = 1376886576. Its totient is φ = 854136000.

The previous prime is 1085472121. The next prime is 1085472163. The reversal of 1085472125 is 5212745801.

It can be written as a sum of positive squares in 8 ways, for example, as 979752601 + 105719524 = 31301^2 + 10282^2 .

It is not a de Polignac number, because 1085472125 - 22 = 1085472121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085472121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63554 + ... + 78803.

It is an arithmetic number, because the mean of its divisors is an integer number (86055411).

Almost surely, 21085472125 is an apocalyptic number.

It is an amenable number.

1085472125 is a deficient number, since it is larger than the sum of its proper divisors (291414451).

1085472125 is an equidigital number, since it uses as much as digits as its factorization.

1085472125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142433 (or 142423 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 1085472125 is about 32946.5039875250. The cubic root of 1085472125 is about 1027.7154648259.

The spelling of 1085472125 in words is "one billion, eighty-five million, four hundred seventy-two thousand, one hundred twenty-five".

Divisors: 1 5 25 61 125 305 1525 7625 142357 711785 3558925 8683777 17794625 43418885 217094425 1085472125