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10221044 = 222555261
BaseRepresentation
bin100110111111…
…010111110100
3201020021122012
4212333113310
510104033134
61003023352
7152606651
oct46772764
921207565
1010221044
115851249
12350ab58
13216b372
141500c28
15d6d6ce
hex9bf5f4

10221044 has 6 divisors (see below), whose sum is σ = 17886834. Its totient is φ = 5110520.

The previous prime is 10221037. The next prime is 10221047. The reversal of 10221044 is 44012201.

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 44944 = 3190^2 + 212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277627 + ... + 1277634.

It is an arithmetic number, because the mean of its divisors is an integer number (2981139).

Almost surely, 210221044 is an apocalyptic number.

It is an amenable number.

10221044 is a deficient number, since it is larger than the sum of its proper divisors (7665790).

10221044 is a wasteful number, since it uses less digits than its factorization.

10221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555265 (or 2555263 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10221044 is about 3197.0367529949. The cubic root of 10221044 is about 217.0193304646.

Adding to 10221044 its reverse (44012201), we get a palindrome (54233245).

The spelling of 10221044 in words is "ten million, two hundred twenty-one thousand, forty-four".

Divisors: 1 2 4 2555261 5110522 10221044