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10220530 = 251022053
BaseRepresentation
bin100110111111…
…001111110010
3201020020221011
4212333033302
510104024110
61003021134
7152605315
oct46771762
921206834
1010220530
115850921
12350a7aa
13216b068
14150097c
15d6d48a
hex9bf3f2

10220530 has 8 divisors (see below), whose sum is σ = 18396972. Its totient is φ = 4088208.

The previous prime is 10220513. The next prime is 10220563. The reversal of 10220530 is 3502201.

It can be written as a sum of positive squares in 2 ways, for example, as 10195249 + 25281 = 3193^2 + 159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10220530.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511017 + ... + 511036.

Almost surely, 210220530 is an apocalyptic number.

10220530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10220530 is a deficient number, since it is larger than the sum of its proper divisors (8176442).

10220530 is a wasteful number, since it uses less digits than its factorization.

10220530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022060.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 10220530 is about 3196.9563650447. The cubic root of 10220530 is about 217.0156925516.

Adding to 10220530 its reverse (3502201), we get a palindrome (13722731).

The spelling of 10220530 in words is "ten million, two hundred twenty thousand, five hundred thirty".

Divisors: 1 2 5 10 1022053 2044106 5110265 10220530