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10220512 = 25319391
BaseRepresentation
bin100110111111…
…001111100000
3201020020220111
4212333033200
510104024022
61003021104
7152605261
oct46771740
921206814
1010220512
115850905
12350a794
13216b053
141500968
15d6d477
hex9bf3e0

10220512 has 12 divisors (see below), whose sum is σ = 20121696. Its totient is φ = 5110240.

The previous prime is 10220491. The next prime is 10220513. The reversal of 10220512 is 21502201.

It is a junction number, because it is equal to n+sod(n) for n = 10220492 and 10220501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159664 + ... + 159727.

It is an arithmetic number, because the mean of its divisors is an integer number (1676808).

Almost surely, 210220512 is an apocalyptic number.

It is an amenable number.

10220512 is a deficient number, since it is larger than the sum of its proper divisors (9901184).

10220512 is an equidigital number, since it uses as much as digits as its factorization.

10220512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319401 (or 319393 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10220512 is about 3196.9535498659. The cubic root of 10220512 is about 217.0155651516.

Adding to 10220512 its reverse (21502201), we get a palindrome (31722713).

The spelling of 10220512 in words is "ten million, two hundred twenty thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 319391 638782 1277564 2555128 5110256 10220512