Base | Representation |
---|---|
bin | 10000000101000… |
… | …11100001000011 |
3 | 100101210222212000 |
4 | 20002203201003 |
5 | 234012344431 |
6 | 21215035043 |
7 | 3225344664 |
oct | 1002434103 |
9 | 311728760 |
10 | 134887491 |
11 | 6a15aa72 |
12 | 3920ba83 |
13 | 21c3a2ab |
14 | 13cb336b |
15 | bc969e6 |
hex | 80a3843 |
134887491 has 16 divisors (see below), whose sum is σ = 203605920. Its totient is φ = 88227360.
The previous prime is 134887483. The next prime is 134887561. The reversal of 134887491 is 194788431.
It is a happy number.
134887491 is a `hidden beast` number, since 13 + 488 + 74 + 91 = 666.
It is not a de Polignac number, because 134887491 - 23 = 134887483 is a prime.
It is not an unprimeable number, because it can be changed into a prime (134887451) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45700 + ... + 48561.
It is an arithmetic number, because the mean of its divisors is an integer number (12725370).
Almost surely, 2134887491 is an apocalyptic number.
134887491 is a deficient number, since it is larger than the sum of its proper divisors (68718429).
134887491 is an equidigital number, since it uses as much as digits as its factorization.
134887491 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94323 (or 94317 counting only the distinct ones).
The product of its digits is 193536, while the sum is 45.
The square root of 134887491 is about 11614.1074129698. The cubic root of 134887491 is about 512.8502350002.
The spelling of 134887491 in words is "one hundred thirty-four million, eight hundred eighty-seven thousand, four hundred ninety-one".
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