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520410140 = 225178714561
BaseRepresentation
bin11111000001001…
…101010000011100
31100021020120111122
4133001031100130
52031211111030
6123350110112
715616261505
oct3701152034
91307216448
10520410140
11247837928
1212634b338
1383a800c3
144d189bac
1530a4a8e5
hex1f04d41c

520410140 has 24 divisors (see below), whose sum is σ = 1093547952. Its totient is φ = 208033280.

The previous prime is 520410119. The next prime is 520410157. The reversal of 520410140 is 41014025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28460 + ... + 43020.

It is an arithmetic number, because the mean of its divisors is an integer number (45564498).

Almost surely, 2520410140 is an apocalyptic number.

It is an amenable number.

520410140 is an abundant number, since it is smaller than the sum of its proper divisors (573137812).

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

520410140 is a wasteful number, since it uses less digits than its factorization.

520410140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16357 (or 16355 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 520410140 is about 22812.4996438356. The cubic root of 520410140 is about 804.3565141662.

Adding to 520410140 its reverse (41014025), we get a palindrome (561424165).

The spelling of 520410140 in words is "five hundred twenty million, four hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1787 3574 7148 8935 14561 17870 29122 35740 58244 72805 145610 291220 26020507 52041014 104082028 130102535 260205070 520410140