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10221030 = 2325113567
BaseRepresentation
bin100110111111…
…010111100110
3201020021121200
4212333113212
510104033110
61003023330
7152606631
oct46772746
921207550
1010221030
115851236
12350ab46
13216b361
141500c18
15d6d6c0
hex9bf5e6

10221030 has 24 divisors (see below), whose sum is σ = 26574912. Its totient is φ = 2725584.

The previous prime is 10221007. The next prime is 10221037. The reversal of 10221030 is 3012201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56694 + ... + 56873.

It is an arithmetic number, because the mean of its divisors is an integer number (1107288).

Almost surely, 210221030 is an apocalyptic number.

10221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221030 is an abundant number, since it is smaller than the sum of its proper divisors (16353882).

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

10221030 is a wasteful number, since it uses less digits than its factorization.

10221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113580 (or 113577 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10221030 is about 3197.0345634666. The cubic root of 10221030 is about 217.0192313790.

Adding to 10221030 its reverse (3012201), we get a palindrome (13233231).

The spelling of 10221030 in words is "ten million, two hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 113567 227134 340701 567835 681402 1022103 1135670 1703505 2044206 3407010 5110515 10221030