Search a number
-
+
1033221 = 3749201
BaseRepresentation
bin11111100010000000101
31221111022110
43330100011
5231030341
634051233
711532210
oct3742005
91844273
101033221
11646302
12419b19
132a2397
141cc777
15156216
hexfc405

1033221 has 8 divisors (see below), whose sum is σ = 1574464. Its totient is φ = 590400.

The previous prime is 1033189. The next prime is 1033223. The reversal of 1033221 is 1223301.

It is a happy number.

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

It is not a de Polignac number, because 1033221 - 25 = 1033189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1033197 and 1033206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033223) 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, 24580 + ... + 24621.

It is an arithmetic number, because the mean of its divisors is an integer number (196808).

21033221 is an apocalyptic number.

It is an amenable number.

1033221 is a deficient number, since it is larger than the sum of its proper divisors (541243).

1033221 is an equidigital number, since it uses as much as digits as its factorization.

1033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49211.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1033221 is about 1016.4747906367. The cubic root of 1033221 is about 101.0953254841.

Adding to 1033221 its reverse (1223301), we get a palindrome (2256522).

The spelling of 1033221 in words is "one million, thirty-three thousand, two hundred twenty-one".

Divisors: 1 3 7 21 49201 147603 344407 1033221