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10520210 = 253728433
BaseRepresentation
bin101000001000…
…011010010010
3201210111000102
4220020122102
510143121320
61013252402
7155264111
oct50103222
921714012
1010520210
115a35a98
123634102
13224459c
14157bc78
15dcc175
hexa08692

10520210 has 16 divisors (see below), whose sum is σ = 19448856. Its totient is φ = 4094208.

The previous prime is 10520207. The next prime is 10520219. The reversal of 10520210 is 1202501.

It can be written as a sum of positive squares in 4 ways, for example, as 9653449 + 866761 = 3107^2 + 931^2 .

It is a super-2 number, since 2×105202102 = 221349636888200, which contains 22 as substring.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 10520191 and 10520200.

It is not an unprimeable number, because it can be changed into a prime (10520219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13847 + ... + 14586.

Almost surely, 210520210 is an apocalyptic number.

10520210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10520210 is a deficient number, since it is larger than the sum of its proper divisors (8928646).

10520210 is a wasteful number, since it uses less digits than its factorization.

10520210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28477.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 10520210 is about 3243.4873207707. The cubic root of 10520210 is about 219.1163591460.

Adding to 10520210 its reverse (1202501), we get a palindrome (11722711).

The spelling of 10520210 in words is "ten million, five hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 37 74 185 370 28433 56866 142165 284330 1052021 2104042 5260105 10520210