Search a number
-
+
33109190 = 2523143953
BaseRepresentation
bin111111001001…
…1010011000110
32022022010021022
41332103103012
531433443230
63141351142
7551265152
oct176232306
968263238
1033109190
1117764474
12b1084b2
136b2324a
14457c062
152d901e5
hex1f934c6

33109190 has 16 divisors (see below), whose sum is σ = 62188128. Its totient is φ = 12667776.

The previous prime is 33109187. The next prime is 33109249. The reversal of 33109190 is 9190133.

It is a super-2 number, since 2×331091902 = 2192436924912200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71747 + ... + 72206.

It is an arithmetic number, because the mean of its divisors is an integer number (3886758).

Almost surely, 233109190 is an apocalyptic number.

33109190 is a deficient number, since it is larger than the sum of its proper divisors (29078938).

33109190 is a wasteful number, since it uses less digits than its factorization.

33109190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143983.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 33109190 is about 5754.0585676547. The cubic root of 33109190 is about 321.1068118908.

It can be divided in two parts, 33 and 109190, that multiplied together give a triangular number (3603270 = T2684).

The spelling of 33109190 in words is "thirty-three million, one hundred nine thousand, one hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 143953 287906 719765 1439530 3310919 6621838 16554595 33109190