Search a number
-
+
33825081 = 31132883
BaseRepresentation
bin1000000100001…
…0000100111001
32100122111021210
42001002010321
532124400311
63204553333
7560336253
oct201020471
970574253
1033825081
1118103314
12b3b2849
137014054
1446c6cd3
152e823a6
hex2042139

33825081 has 12 divisors (see below), whose sum is σ = 45554288. Its totient is φ = 22325184.

The previous prime is 33825059. The next prime is 33825089. The reversal of 33825081 is 18052833.

It is a happy number.

It is not a de Polignac number, because 33825081 - 29 = 33824569 is a prime.

It is a super-2 number, since 2×338250812 = 2288272209313122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33825089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37866 + ... + 38748.

Almost surely, 233825081 is an apocalyptic number.

It is an amenable number.

33825081 is a deficient number, since it is larger than the sum of its proper divisors (11729207).

33825081 is an equidigital number, since it uses as much as digits as its factorization.

33825081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 33825081 is about 5815.9333730709. The cubic root of 33825081 is about 323.4046661855.

The spelling of 33825081 in words is "thirty-three million, eight hundred twenty-five thousand, eighty-one".

Divisors: 1 3 113 339 883 2649 12769 38307 99779 299337 11275027 33825081