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520020010 = 25433120097
BaseRepresentation
bin11110111111101…
…110000000101010
31100020111202100101
4132333232000222
52031111120020
6123333500014
715613045216
oct3677560052
91306452311
10520020010
112475a0804
121261a160a
1383974663
144d0c7946
15309c000a
hex1efee02a

520020010 has 16 divisors (see below), whose sum is σ = 938205576. Its totient is φ = 207525888.

The previous prime is 520020001. The next prime is 520020019. The reversal of 520020010 is 10020025.

It is an interprime number because it is at equal distance from previous prime (520020001) and next prime (520020019).

It can be written as a sum of positive squares in 4 ways, for example, as 168194961 + 351825049 = 12969^2 + 18757^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (520020019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55719 + ... + 64378.

Almost surely, 2520020010 is an apocalyptic number.

520020010 is a deficient number, since it is larger than the sum of its proper divisors (418185566).

520020010 is a wasteful number, since it uses less digits than its factorization.

520020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120537.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 520020010 is about 22803.9472460362. The cubic root of 520020010 is about 804.1554662935.

Adding to 520020010 its reverse (10020025), we get a palindrome (530040035).

The spelling of 520020010 in words is "five hundred twenty million, twenty thousand, ten".

Divisors: 1 2 5 10 433 866 2165 4330 120097 240194 600485 1200970 52002001 104004002 260010005 520020010