Search a number
-
+
33072441 = 329973919
BaseRepresentation
bin111111000101…
…0010100111001
32022020020212020
41332022110321
531431304231
63140505053
7551053053
oct176122471
968206766
1033072441
11177398a6
12b0ab189
136b0c5bc
14456c8d3
152d84396
hex1f8a539

33072441 has 16 divisors (see below), whose sum is σ = 46099200. Its totient is φ = 21063168.

The previous prime is 33072419. The next prime is 33072449. The reversal of 33072441 is 14427033.

It is not a de Polignac number, because 33072441 - 27 = 33072313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33072449) 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, 6480 + ... + 10398.

It is an arithmetic number, because the mean of its divisors is an integer number (2881200).

Almost surely, 233072441 is an apocalyptic number.

It is an amenable number.

33072441 is a deficient number, since it is larger than the sum of its proper divisors (13026759).

33072441 is a wasteful number, since it uses less digits than its factorization.

33072441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 33072441 is about 5750.8643698143. The cubic root of 33072441 is about 320.9879655041.

Adding to 33072441 its reverse (14427033), we get a palindrome (47499474).

It can be divided in two parts, 330 and 72441, that added together give a triangular number (72771 = T381).

The spelling of 33072441 in words is "thirty-three million, seventy-two thousand, four hundred forty-one".

Divisors: 1 3 29 87 97 291 2813 3919 8439 11757 113651 340953 380143 1140429 11024147 33072441