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11718125 = 5418749
BaseRepresentation
bin101100101100…
…110111101101
3211001100020122
4230230313231
510444440000
61055054325
7201413426
oct54546755
924040218
1011718125
116684001
123b113a5
132573903
1417b064d
151067085
hexb2cded

11718125 has 10 divisors (see below), whose sum is σ = 14643750. Its totient is φ = 9374000.

The previous prime is 11718103. The next prime is 11718127. The reversal of 11718125 is 52181711.

It can be written as a sum of positive squares in 5 ways, for example, as 3771364 + 7946761 = 1942^2 + 2819^2 .

It is not a de Polignac number, because 11718125 - 26 = 11718061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11718094 and 11718103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11718127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8750 + ... + 9999.

It is an arithmetic number, because the mean of its divisors is an integer number (1464375).

Almost surely, 211718125 is an apocalyptic number.

It is an amenable number.

11718125 is a deficient number, since it is larger than the sum of its proper divisors (2925625).

11718125 is an frugal number, since it uses more digits than its factorization.

11718125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18769 (or 18754 counting only the distinct ones).

The product of its digits is 560, while the sum is 26.

The square root of 11718125 is about 3423.1746960972. The cubic root of 11718125 is about 227.1360359865.

Adding to 11718125 its reverse (52181711), we get a palindrome (63899836).

The spelling of 11718125 in words is "eleven million, seven hundred eighteen thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 18749 93745 468725 2343625 11718125