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520053702 = 23753307761
BaseRepresentation
bin11110111111110…
…110001111000110
31100020120110120020
4132333312033012
52031113204302
6123334320010
715613245360
oct3677661706
91306513506
10520053702
11247614053
121261b9006
1383986aac
144d0d5d30
15309c9ebc
hex1eff63c6

520053702 has 64 divisors (see below), whose sum is σ = 1216664064. Its totient is φ = 145117440.

The previous prime is 520053691. The next prime is 520053707. The reversal of 520053702 is 207350025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520053707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683002 + ... + 683762.

It is an arithmetic number, because the mean of its divisors is an integer number (19010376).

Almost surely, 2520053702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520053702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608332032).

520053702 is an abundant number, since it is smaller than the sum of its proper divisors (696610362).

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

520053702 is a wasteful number, since it uses less digits than its factorization.

520053702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 520053702 is about 22804.6859658273. The cubic root of 520053702 is about 804.1728329463.

The spelling of 520053702 in words is "five hundred twenty million, fifty-three thousand, seven hundred two".

Divisors: 1 2 3 6 7 14 21 42 53 106 159 307 318 371 614 742 761 921 1113 1522 1842 2149 2226 2283 4298 4566 5327 6447 10654 12894 15981 16271 31962 32542 40333 48813 80666 97626 113897 120999 227794 233627 241998 282331 341691 467254 564662 683382 700881 846993 1401762 1635389 1693986 3270778 4906167 9812334 12382231 24764462 37146693 74293386 86675617 173351234 260026851 520053702