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10801125 = 32539601
BaseRepresentation
bin101001001100…
…111111100101
3202022202100200
4221030333211
510231114000
61023301113
7160544106
oct51147745
922282320
1010801125
116108055
12374a799
1323123ca
1416123ad
15e35500
hexa4cfe5

10801125 has 24 divisors (see below), whose sum is σ = 19472856. Its totient is φ = 5760000.

The previous prime is 10801111. The next prime is 10801169. The reversal of 10801125 is 52110801.

It can be written as a sum of positive squares in 4 ways, for example, as 49284 + 10751841 = 222^2 + 3279^2 .

It is not a de Polignac number, because 10801125 - 25 = 10801093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10801098 and 10801107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3676 + ... + 5925.

It is an arithmetic number, because the mean of its divisors is an integer number (811369).

Almost surely, 210801125 is an apocalyptic number.

10801125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10801125 is a deficient number, since it is larger than the sum of its proper divisors (8671731).

10801125 is an equidigital number, since it uses as much as digits as its factorization.

10801125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622 (or 9609 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 10801125 is about 3286.5065038731. The cubic root of 10801125 is about 221.0495647176.

Adding to 10801125 its reverse (52110801), we get a palindrome (62911926).

The spelling of 10801125 in words is "ten million, eight hundred one thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 9601 28803 48005 86409 144015 240025 432045 720075 1200125 2160225 3600375 10801125