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415325525 = 5216613021
BaseRepresentation
bin11000110000010…
…101110101010101
31001221111201111212
4120300111311111
51322310404100
6105113511205
713202131406
oct3060256525
91057451455
10415325525
111a349323a
12b7112505
1368079164
143d2339ad
15266de635
hex18c15d55

415325525 has 6 divisors (see below), whose sum is σ = 515003682. Its totient is φ = 332260400.

The previous prime is 415325497. The next prime is 415325527. The reversal of 415325525 is 525523514.

It can be written as a sum of positive squares in 3 ways, for example, as 141158161 + 274167364 = 11881^2 + 16558^2 .

It is not a de Polignac number, because 415325525 - 220 = 414276949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 415325491 and 415325500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415325527) 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, 8306486 + ... + 8306535.

It is an arithmetic number, because the mean of its divisors is an integer number (85833947).

Almost surely, 2415325525 is an apocalyptic number.

It is an amenable number.

415325525 is a deficient number, since it is larger than the sum of its proper divisors (99678157).

415325525 is a wasteful number, since it uses less digits than its factorization.

415325525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16613031 (or 16613026 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 415325525 is about 20379.5369181932. The cubic root of 415325525 is about 746.0985699450.

The spelling of 415325525 in words is "four hundred fifteen million, three hundred twenty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 16613021 83065105 415325525