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10881125 = 5387049
BaseRepresentation
bin101001100000…
…100001100101
3202110211002122
4221200201211
510241144000
61025115325
7161326253
oct51404145
922424078
1010881125
116162172
123788b45
13233c948
1416335d3
15e4e085
hexa60865

10881125 has 8 divisors (see below), whose sum is σ = 13579800. Its totient is φ = 8704800.

The previous prime is 10881089. The next prime is 10881127. The reversal of 10881125 is 52118801.

It can be written as a sum of positive squares in 4 ways, for example, as 214369 + 10666756 = 463^2 + 3266^2 .

It is not a de Polignac number, because 10881125 - 214 = 10864741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10881094 and 10881103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10881127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43400 + ... + 43649.

It is an arithmetic number, because the mean of its divisors is an integer number (1697475).

Almost surely, 210881125 is an apocalyptic number.

It is an amenable number.

10881125 is a deficient number, since it is larger than the sum of its proper divisors (2698675).

10881125 is an frugal number, since it uses more digits than its factorization.

10881125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87064 (or 87054 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 10881125 is about 3298.6550289474. The cubic root of 10881125 is about 221.5939674034.

Adding to 10881125 its reverse (52118801), we get a palindrome (62999926).

The spelling of 10881125 in words is "ten million, eight hundred eighty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 87049 435245 2176225 10881125