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10110221 = 11919111
BaseRepresentation
bin100110100100…
…010100001101
3201000122121122
4212210110031
510042011341
61000410325
7151635602
oct46442415
921018548
1010110221
115785a60
1234769a5
13212caa4
1414b26a9
15d4a94b
hex9a450d

10110221 has 4 divisors (see below), whose sum is σ = 11029344. Its totient is φ = 9191100.

The previous prime is 10110169. The next prime is 10110229. The reversal of 10110221 is 12201101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10110221 - 26 = 10110157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110199 and 10110208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459545 + ... + 459566.

It is an arithmetic number, because the mean of its divisors is an integer number (2757336).

Almost surely, 210110221 is an apocalyptic number.

10110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10110221 is a deficient number, since it is larger than the sum of its proper divisors (919123).

10110221 is an equidigital number, since it uses as much as digits as its factorization.

10110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919122.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 10110221 is about 3179.6573714789. The cubic root of 10110221 is about 216.2321249996.

Adding to 10110221 its reverse (12201101), we get a palindrome (22311322).

The spelling of 10110221 in words is "ten million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 11 919111 10110221