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520412415 = 35172120049
BaseRepresentation
bin11111000001001…
…101110011111111
31100021020200121220
4133001031303333
52031211144130
6123350124423
715616301235
oct3701156377
91307220556
10520412415
11247839606
12126350713
1383a81153
144d18a955
1530a4b410
hex1f04dcff

520412415 has 24 divisors (see below), whose sum is σ = 884528400. Its totient is φ = 261224448.

The previous prime is 520412371. The next prime is 520412419. The reversal of 520412415 is 514214025.

It is not a de Polignac number, because 520412415 - 27 = 520412287 is a prime.

It is a super-2 number, since 2×5204124152 = 541658163372264450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520412419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55690 + ... + 64359.

It is an arithmetic number, because the mean of its divisors is an integer number (36855350).

Almost surely, 2520412415 is an apocalyptic number.

520412415 is a deficient number, since it is larger than the sum of its proper divisors (364115985).

520412415 is a wasteful number, since it uses less digits than its factorization.

520412415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120091 (or 120074 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 520412415 is about 22812.5495067956. The cubic root of 520412415 is about 804.3576862600.

The spelling of 520412415 in words is "five hundred twenty million, four hundred twelve thousand, four hundred fifteen".

Divisors: 1 3 5 15 17 51 85 255 289 867 1445 4335 120049 360147 600245 1800735 2040833 6122499 10204165 30612495 34694161 104082483 173470805 520412415