Search a number
-
+
33234145 = 5729137239
BaseRepresentation
bin111111011000…
…1110011100001
32022112110200021
41332301303201
532001443040
63144153441
7552325360
oct176616341
968473607
1033234145
111783a33a
12b168881
136b68099
1445b17d7
152db724a
hex1fb1ce1

33234145 has 32 divisors (see below), whose sum is σ = 47692800. Its totient is φ = 21751296.

The previous prime is 33234121. The next prime is 33234163. The reversal of 33234145 is 54143233.

It is not a de Polignac number, because 33234145 - 213 = 33225953 is a prime.

It is a super-2 number, since 2×332341452 = 2209016787762050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138936 + ... + 139174.

It is an arithmetic number, because the mean of its divisors is an integer number (1490400).

Almost surely, 233234145 is an apocalyptic number.

33234145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33234145 is a deficient number, since it is larger than the sum of its proper divisors (14458655).

33234145 is a wasteful number, since it uses less digits than its factorization.

33234145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its digits is 4320, while the sum is 25.

The square root of 33234145 is about 5764.9063305487. The cubic root of 33234145 is about 321.5102601077.

Adding to 33234145 its reverse (54143233), we get a palindrome (87377378).

The spelling of 33234145 in words is "thirty-three million, two hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 5 7 29 35 137 145 203 239 685 959 1015 1195 1673 3973 4795 6931 8365 19865 27811 32743 34655 48517 139055 163715 229201 242585 949547 1146005 4747735 6646829 33234145