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10871125 = 5386969
BaseRepresentation
bin101001011110…
…000101010101
3202110022101021
4221132011111
510240334000
61025001141
7161255146
oct51360525
922408337
1010871125
116155701
1237831b1
132338225
14162dacd
15e4b11a
hexa5e155

10871125 has 8 divisors (see below), whose sum is σ = 13567320. Its totient is φ = 8696800.

The previous prime is 10871117. The next prime is 10871129. The reversal of 10871125 is 52117801.

10871125 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3352561 + 7518564 = 1831^2 + 2742^2 .

It is not a de Polignac number, because 10871125 - 23 = 10871117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 10871125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10871129) 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, 43360 + ... + 43609.

It is an arithmetic number, because the mean of its divisors is an integer number (1695915).

Almost surely, 210871125 is an apocalyptic number.

It is an amenable number.

10871125 is a deficient number, since it is larger than the sum of its proper divisors (2696195).

10871125 is an frugal number, since it uses more digits than its factorization.

10871125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86984 (or 86974 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 10871125 is about 3297.1389112380. The cubic root of 10871125 is about 221.5260633079.

Adding to 10871125 its reverse (52117801), we get a palindrome (62988926).

The spelling of 10871125 in words is "ten million, eight hundred seventy-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 86969 434845 2174225 10871125