Search a number
-
+
33253297 = 7113113931
BaseRepresentation
bin111111011011…
…0011110110001
32022120102221121
41332312132301
532003101142
63144422241
7552435250
oct176663661
968512847
1033253297
1117852770
12b177981
136b73a0c
1445b8797
152dbcc67
hex1fb67b1

33253297 has 16 divisors (see below), whose sum is σ = 42799104. Its totient is φ = 25074000.

The previous prime is 33253289. The next prime is 33253333. The reversal of 33253297 is 79235233.

It is a happy number.

It is not a de Polignac number, because 33253297 - 23 = 33253289 is a prime.

It is a super-2 number, since 2×332532972 = 2211563522740418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33253217) 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 15 ways as a sum of consecutive naturals, for example, 4579 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (2674944).

Almost surely, 233253297 is an apocalyptic number.

It is an amenable number.

33253297 is a deficient number, since it is larger than the sum of its proper divisors (9545807).

33253297 is a wasteful number, since it uses less digits than its factorization.

33253297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13980.

The product of its digits is 34020, while the sum is 34.

The square root of 33253297 is about 5766.5671764057. The cubic root of 33253297 is about 321.5720076675.

The spelling of 33253297 in words is "thirty-three million, two hundred fifty-three thousand, two hundred ninety-seven".

Divisors: 1 7 11 31 77 217 341 2387 13931 97517 153241 431861 1072687 3023027 4750471 33253297