Search a number
-
+
33213401 = 132593331
BaseRepresentation
bin111111010110…
…0101111011001
32022111102012222
41332230233121
532000312101
63143513425
7552211034
oct176545731
968442188
1033213401
11178257a1
12b158875
136b5b800
1445a801b
152db101b
hex1facbd9

33213401 has 12 divisors (see below), whose sum is σ = 36585360. Its totient is φ = 30129840.

The previous prime is 33213379. The next prime is 33213413. The reversal of 33213401 is 10431233.

It is a happy number.

It is not a de Polignac number, because 33213401 - 218 = 32951257 is a prime.

It is a super-2 number, since 2×332134012 = 2206260011973602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33213401.

It is not an unprimeable number, because it can be changed into a prime (33212401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8306 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (3048780).

Almost surely, 233213401 is an apocalyptic number.

It is an amenable number.

33213401 is a deficient number, since it is larger than the sum of its proper divisors (3371959).

33213401 is a wasteful number, since it uses less digits than its factorization.

33213401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 33213401 is about 5763.1068877820. The cubic root of 33213401 is about 321.4433530463.

Adding to 33213401 its reverse (10431233), we get a palindrome (43644634).

The spelling of 33213401 in words is "thirty-three million, two hundred thirteen thousand, four hundred one".

Divisors: 1 13 59 169 767 3331 9971 43303 196529 562939 2554877 33213401