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124204225 = 524968169
BaseRepresentation
bin1110110011100…
…11010011000001
322122201020011111
413121303103001
5223244013400
620154043321
73035501305
oct731632301
9278636144
10124204225
1164123522
1235719541
131c969732
14126d1d05
15ad863ba
hex76734c1

124204225 has 6 divisors (see below), whose sum is σ = 154013270. Its totient is φ = 99363360.

The previous prime is 124204183. The next prime is 124204231. The reversal of 124204225 is 522402421.

It can be written as a sum of positive squares in 3 ways, for example, as 9628609 + 114575616 = 3103^2 + 10704^2 .

It is not a de Polignac number, because 124204225 - 27 = 124204097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124204196 and 124204205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2484060 + ... + 2484109.

Almost surely, 2124204225 is an apocalyptic number.

It is an amenable number.

124204225 is a deficient number, since it is larger than the sum of its proper divisors (29809045).

124204225 is an equidigital number, since it uses as much as digits as its factorization.

124204225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968179 (or 4968174 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 124204225 is about 11144.6949262867. The cubic root of 124204225 is about 498.9367070859.

Adding to 124204225 its reverse (522402421), we get a palindrome (646606646).

The spelling of 124204225 in words is "one hundred twenty-four million, two hundred four thousand, two hundred twenty-five".

Divisors: 1 5 25 4968169 24840845 124204225