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33134161 = 101328061
BaseRepresentation
bin111111001100…
…1011001010001
32022100101112011
41332121121101
531440243121
63142102521
7551431024
oct176313121
968311464
1033134161
1117781205
12b11aa41
136b31718
1445871bb
152d977e1
hex1f99651

33134161 has 4 divisors (see below), whose sum is σ = 33462324. Its totient is φ = 32806000.

The previous prime is 33134159. The next prime is 33134183. The reversal of 33134161 is 16143133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16143133 = 101159833.

It can be written as a sum of positive squares in 2 ways, for example, as 30869136 + 2265025 = 5556^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 33134161 - 21 = 33134159 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33134111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163930 + ... + 164131.

It is an arithmetic number, because the mean of its divisors is an integer number (8365581).

Almost surely, 233134161 is an apocalyptic number.

It is an amenable number.

33134161 is a deficient number, since it is larger than the sum of its proper divisors (328163).

33134161 is a wasteful number, since it uses less digits than its factorization.

33134161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328162.

The product of its digits is 648, while the sum is 22.

The square root of 33134161 is about 5756.2280184162. The cubic root of 33134161 is about 321.1875180153.

Adding to 33134161 its reverse (16143133), we get a palindrome (49277294).

The spelling of 33134161 in words is "thirty-three million, one hundred thirty-four thousand, one hundred sixty-one".

Divisors: 1 101 328061 33134161