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103123225 = 524124929
BaseRepresentation
bin1100010010110…
…00100100011001
321012001012110201
412021120210121
5202344420400
614122142201
72361350542
oct611304431
9235035421
10103123225
1153235007
122a651961
131849827a
14d9a54c9
1590c006a
hex6258919

103123225 has 6 divisors (see below), whose sum is σ = 127872830. Its totient is φ = 82498560.

The previous prime is 103123211. The next prime is 103123243. The reversal of 103123225 is 522321301.

It can be written as a sum of positive squares in 3 ways, for example, as 28611801 + 74511424 = 5349^2 + 8632^2 .

It is not a de Polignac number, because 103123225 - 29 = 103122713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2062440 + ... + 2062489.

Almost surely, 2103123225 is an apocalyptic number.

It is an amenable number.

103123225 is a deficient number, since it is larger than the sum of its proper divisors (24749605).

103123225 is an equidigital number, since it uses as much as digits as its factorization.

103123225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124939 (or 4124934 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 103123225 is about 10154.9606104603. The cubic root of 103123225 is about 468.9416733172.

Adding to 103123225 its reverse (522321301), we get a palindrome (625444526).

The spelling of 103123225 in words is "one hundred three million, one hundred twenty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 4124929 20624645 103123225