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10450221 = 316272141
BaseRepresentation
bin100111110111…
…010100101101
3201122221000020
4213313110231
510133401341
61011552353
7154553055
oct47672455
921587006
1010450221
115998451
1235bb6b9
13221b782
141560565
15db6566
hex9f752d

10450221 has 8 divisors (see below), whose sum is σ = 13948704. Its totient is φ = 6959280.

The previous prime is 10450217. The next prime is 10450229. The reversal of 10450221 is 12205401.

Adding to 10450221 its reverse (12205401), we get a palindrome (22655622).

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

It is not a de Polignac number, because 10450221 - 22 = 10450217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10450221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10450229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3811 + ... + 5951.

It is an arithmetic number, because the mean of its divisors is an integer number (1743588).

Almost surely, 210450221 is an apocalyptic number.

It is an amenable number.

10450221 is a deficient number, since it is larger than the sum of its proper divisors (3498483).

10450221 is a wasteful number, since it uses less digits than its factorization.

10450221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10450221 is about 3232.6801573926. The cubic root of 10450221 is about 218.6293641236.

The spelling of 10450221 in words is "ten million, four hundred fifty thousand, two hundred twenty-one".

Divisors: 1 3 1627 2141 4881 6423 3483407 10450221