Search a number
-
+
33000525 = 3252146669
BaseRepresentation
bin111110111100…
…0110001001101
32022002121012200
41331320301031
531422004100
63135152113
7550333305
oct175706115
968077180
1033000525
111769a868
12b075639
136ab594c
144550605
152d6ce00
hex1f78c4d

33000525 has 18 divisors (see below), whose sum is σ = 59108010. Its totient is φ = 17600160.

The previous prime is 33000497. The next prime is 33000547. The reversal of 33000525 is 52500033.

It can be written as a sum of positive squares in 3 ways, for example, as 3090564 + 29909961 = 1758^2 + 5469^2 .

It is not a de Polignac number, because 33000525 - 25 = 33000493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33000498 and 33000507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 73110 + ... + 73559.

Almost surely, 233000525 is an apocalyptic number.

It is an amenable number.

33000525 is a deficient number, since it is larger than the sum of its proper divisors (26107485).

33000525 is a wasteful number, since it uses less digits than its factorization.

33000525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146685 (or 146677 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 33000525 is about 5744.6083417410. The cubic root of 33000525 is about 320.7551339557.

Adding to 33000525 its reverse (52500033), we get a palindrome (85500558).

The spelling of 33000525 in words is "thirty-three million, five hundred twenty-five", and thus it is an aban number.

Divisors: 1 3 5 9 15 25 45 75 225 146669 440007 733345 1320021 2200035 3666725 6600105 11000175 33000525