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103443425 = 524137737
BaseRepresentation
bin1100010101001…
…10101111100001
321012122110200222
412022212233201
5202440142200
614133052425
72364153221
oct612465741
9235573628
10103443425
1153433638
122a787115
131857ac37
14da4a081
159134d85
hex62a6be1

103443425 has 6 divisors (see below), whose sum is σ = 128269878. Its totient is φ = 82754720.

The previous prime is 103443421. The next prime is 103443433. The reversal of 103443425 is 524344301.

It can be written as a sum of positive squares in 3 ways, for example, as 238144 + 103205281 = 488^2 + 10159^2 .

It is not a de Polignac number, because 103443425 - 22 = 103443421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103443394 and 103443403.

It is not an unprimeable number, because it can be changed into a prime (103443421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2068844 + ... + 2068893.

It is an arithmetic number, because the mean of its divisors is an integer number (21378313).

Almost surely, 2103443425 is an apocalyptic number.

It is an amenable number.

103443425 is a deficient number, since it is larger than the sum of its proper divisors (24826453).

103443425 is an equidigital number, since it uses as much as digits as its factorization.

103443425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137747 (or 4137742 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 103443425 is about 10170.7140850581. The cubic root of 103443425 is about 469.4265300816.

Adding to 103443425 its reverse (524344301), we get a palindrome (627787726).

The spelling of 103443425 in words is "one hundred three million, four hundred forty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 4137737 20688685 103443425