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10221051 = 367211241
BaseRepresentation
bin100110111111…
…010111111011
3201020021122110
4212333113323
510104033201
61003023403
7152606661
oct46772773
921207573
1010221051
115851255
12350ab63
13216b379
141500c31
15d6d6d6
hex9bf5fb

10221051 has 16 divisors (see below), whose sum is σ = 13954688. Its totient is φ = 6652800.

The previous prime is 10221049. The next prime is 10221053. The reversal of 10221051 is 15012201.

10221051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10221049) and next prime (10221053).

It is not a de Polignac number, because 10221051 - 21 = 10221049 is a prime.

It is a Duffinian number.

10221051 is an undulating number in base 15.

It is not an unprimeable number, because it can be changed into a prime (10221053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42291 + ... + 42531.

It is an arithmetic number, because the mean of its divisors is an integer number (872168).

Almost surely, 210221051 is an apocalyptic number.

10221051 is a deficient number, since it is larger than the sum of its proper divisors (3733637).

10221051 is a wasteful number, since it uses less digits than its factorization.

10221051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 10221051 is about 3197.0378477585. The cubic root of 10221051 is about 217.0193800073.

Adding to 10221051 its reverse (15012201), we get a palindrome (25233252).

The spelling of 10221051 in words is "ten million, two hundred twenty-one thousand, fifty-one".

Divisors: 1 3 67 201 211 241 633 723 14137 16147 42411 48441 50851 152553 3407017 10221051