Base | Representation |
---|---|
bin | 1000000000010… |
… | …00011001010101 |
3 | 11200100020020011 |
4 | 10000020121111 |
5 | 114142041003 |
6 | 10355040221 |
7 | 1443464632 |
oct | 400103125 |
9 | 150306204 |
10 | 67143253 |
11 | 3499a7a1 |
12 | 1a5a0071 |
13 | 10bab448 |
14 | 8cbb189 |
15 | 5d6446d |
hex | 4008655 |
67143253 has 8 divisors (see below), whose sum is σ = 68989536. Its totient is φ = 65310000.
The previous prime is 67143229. The next prime is 67143257. The reversal of 67143253 is 35234176.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 67143253 - 25 = 67143221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67143257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7683 + ... + 13903.
It is an arithmetic number, because the mean of its divisors is an integer number (8623692).
Almost surely, 267143253 is an apocalyptic number.
It is an amenable number.
67143253 is a deficient number, since it is larger than the sum of its proper divisors (1846283).
67143253 is a wasteful number, since it uses less digits than its factorization.
67143253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6515.
The product of its digits is 15120, while the sum is 31.
The square root of 67143253 is about 8194.0986691643. The cubic root of 67143253 is about 406.4440711249. Note that the first 3 decimals are identical.
The spelling of 67143253 in words is "sixty-seven million, one hundred forty-three thousand, two hundred fifty-three".
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