Base | Representation |
---|---|
bin | 10000111111000… |
… | …10100110000000 |
3 | 100221010000220010 |
4 | 20133202212000 |
5 | 242434022023 |
6 | 22045544520 |
7 | 3350052516 |
oct | 1037424600 |
9 | 327100803 |
10 | 142485888 |
11 | 7347a836 |
12 | 3b875140 |
13 | 2369a99c |
14 | 14cd04b6 |
15 | c798093 |
hex | 87e2980 |
142485888 has 32 divisors (see below), whose sum is σ = 378479160. Its totient is φ = 47495168.
The previous prime is 142485887. The next prime is 142485899. The reversal of 142485888 is 888584241.
It is a tau number, because it is divible by the number of its divisors (32).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142485887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185145 + ... + 185912.
Almost surely, 2142485888 is an apocalyptic number.
It is an amenable number.
142485888 is an abundant number, since it is smaller than the sum of its proper divisors (235993272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142485888 is an equidigital number, since it uses as much as digits as its factorization.
142485888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 371074 (or 371062 counting only the distinct ones).
The product of its digits is 655360, while the sum is 48.
The square root of 142485888 is about 11936.7452850432. The cubic root of 142485888 is about 522.3047207190.
The spelling of 142485888 in words is "one hundred forty-two million, four hundred eighty-five thousand, eight hundred eighty-eight".
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