Search a number
-
+
33234945 = 353171473
BaseRepresentation
bin111111011001…
…0000000000001
32022112111202220
41332302000001
532002004240
63144201253
7552330612
oct176620001
968474686
1033234945
111783a9a7
12b169229
136b68563
1445b1c09
152db75d0
hex1fb2001

33234945 has 16 divisors (see below), whose sum is σ = 54892032. Its totient is φ = 17153280.

The previous prime is 33234941. The next prime is 33234961. The reversal of 33234945 is 54943233.

It is not a de Polignac number, because 33234945 - 22 = 33234941 is a prime.

It is a super-2 number, since 2×332349452 = 2209123138306050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33234941) 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, 35272 + ... + 36201.

It is an arithmetic number, because the mean of its divisors is an integer number (3430752).

It is a Proth number, since it is equal to 4057 ⋅ 213 + 1 and 4057 < 213.

Almost surely, 233234945 is an apocalyptic number.

It is an amenable number.

33234945 is a deficient number, since it is larger than the sum of its proper divisors (21657087).

33234945 is a wasteful number, since it uses less digits than its factorization.

33234945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71512.

The product of its digits is 38880, while the sum is 33.

The square root of 33234945 is about 5764.9757154736. The cubic root of 33234945 is about 321.5128398456.

The spelling of 33234945 in words is "thirty-three million, two hundred thirty-four thousand, nine hundred forty-five".

Divisors: 1 3 5 15 31 93 155 465 71473 214419 357365 1072095 2215663 6646989 11078315 33234945