Base | Representation |
---|---|
bin | 111111000111… |
… | …1011000100101 |
3 | 2022021022021111 |
4 | 1332033120211 |
5 | 31432440112 |
6 | 3141145021 |
7 | 551200336 |
oct | 176173045 |
9 | 68238244 |
10 | 33093157 |
11 | 17753419 |
12 | b0bb171 |
13 | 6b18b66 |
14 | 457628d |
15 | 2d8a5a7 |
hex | 1f8f625 |
33093157 has 4 divisors (see below), whose sum is σ = 33121440. Its totient is φ = 33064876.
The previous prime is 33093139. The next prime is 33093161. The reversal of 33093157 is 75139033.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 33093157 - 211 = 33091109 is a prime.
It is a Smith number, since the sum of its digits (31) 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 a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33093127) 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, 12307 + ... + 14752.
It is an arithmetic number, because the mean of its divisors is an integer number (8280360).
Almost surely, 233093157 is an apocalyptic number.
It is an amenable number.
33093157 is a deficient number, since it is larger than the sum of its proper divisors (28283).
33093157 is a wasteful number, since it uses less digits than its factorization.
33093157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28282.
The product of its (nonzero) digits is 8505, while the sum is 31.
The square root of 33093157 is about 5752.6652084056. The cubic root of 33093157 is about 321.0549719359.
The spelling of 33093157 in words is "thirty-three million, ninety-three thousand, one hundred fifty-seven".
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