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408255125 = 533266041
BaseRepresentation
bin11000010101010…
…111101010010101
31001110012111202012
4120111113222111
51314003131000
6104302154005
713055053115
oct3025275225
91043174665
10408255125
1119a4a4133
12b4882905
1366771ba5
143c313045
1525c94735
hex18557a95

408255125 has 8 divisors (see below), whose sum is σ = 509502552. Its totient is φ = 326604000.

The previous prime is 408255097. The next prime is 408255137. The reversal of 408255125 is 521552804.

It can be written as a sum of positive squares in 4 ways, for example, as 174724 + 408080401 = 418^2 + 20201^2 .

It is not a de Polignac number, because 408255125 - 224 = 391477909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 408255091 and 408255100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632896 + ... + 1633145.

It is an arithmetic number, because the mean of its divisors is an integer number (63687819).

Almost surely, 2408255125 is an apocalyptic number.

It is an amenable number.

408255125 is a deficient number, since it is larger than the sum of its proper divisors (101247427).

408255125 is an equidigital number, since it uses as much as digits as its factorization.

408255125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266056 (or 3266046 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 408255125 is about 20205.3241745833. The cubic root of 408255125 is about 741.8405152928.

The spelling of 408255125 in words is "four hundred eight million, two hundred fifty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 3266041 16330205 81651025 408255125