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520842260 = 225177919391
BaseRepresentation
bin11111000010110…
…110110000010100
31100022001112021002
4133002312300110
52031313423020
6123403242432
715623041361
oct3702666024
91308045232
10520842260
11248002554
12126519418
1383ba19b3
144d25d468
1530ad3975
hex1f0b6c14

520842260 has 48 divisors (see below), whose sum is σ = 1172828160. Its totient is φ = 193589760.

The previous prime is 520842251. The next prime is 520842281. The reversal of 520842260 is 62248025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17165 + ... + 36555.

It is an arithmetic number, because the mean of its divisors is an integer number (24433920).

Almost surely, 2520842260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520842260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586414080).

520842260 is an abundant number, since it is smaller than the sum of its proper divisors (651985900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520842260 is a wasteful number, since it uses less digits than its factorization.

520842260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19496 (or 19494 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 520842260 is about 22821.9688020118. The cubic root of 520842260 is about 804.5790837328.

The spelling of 520842260 in words is "five hundred twenty million, eight hundred forty-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 79 85 158 170 316 340 395 790 1343 1580 2686 5372 6715 13430 19391 26860 38782 77564 96955 193910 329647 387820 659294 1318588 1531889 1648235 3063778 3296470 6127556 6592940 7659445 15318890 26042113 30637780 52084226 104168452 130210565 260421130 520842260