Search a number
-
+
33189253 = 1723292927
BaseRepresentation
bin111111010011…
…0110110000101
32022110012002121
41332212312011
531444024003
63143205541
7552050446
oct176466605
968405077
1033189253
1117809639
12b1468b1
136b50816
14459d2cd
152da8cbd
hex1fa6d85

33189253 has 16 divisors (see below), whose sum is σ = 37946880. Its totient is φ = 28838656.

The previous prime is 33189241. The next prime is 33189269. The reversal of 33189253 is 35298133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33189253 is a prime.

It is a super-2 number, since 2×331892532 = 2203053029396018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33189203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9876 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (2371680).

Almost surely, 233189253 is an apocalyptic number.

It is an amenable number.

33189253 is a deficient number, since it is larger than the sum of its proper divisors (4757627).

33189253 is a wasteful number, since it uses less digits than its factorization.

33189253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996.

The product of its digits is 19440, while the sum is 34.

The square root of 33189253 is about 5761.0114563330. The cubic root of 33189253 is about 321.3654317273.

The spelling of 33189253 in words is "thirty-three million, one hundred eighty-nine thousand, two hundred fifty-three".

Divisors: 1 17 23 29 391 493 667 2927 11339 49759 67321 84883 1144457 1443011 1952309 33189253