Base | Representation |
---|---|
bin | 10000111111101… |
… | …11110101000000 |
3 | 100221021110012110 |
4 | 20133313311000 |
5 | 242444312424 |
6 | 22051455320 |
7 | 3350564220 |
oct | 1037676500 |
9 | 327243173 |
10 | 142572864 |
11 | 7352a115 |
12 | 3b8b7540 |
13 | 236cb455 |
14 | 14d14080 |
15 | c7b3c29 |
hex | 87f7d40 |
142572864 has 112 divisors (see below), whose sum is σ = 441317888. Its totient is φ = 39771648.
The previous prime is 142572847. The next prime is 142572889. The reversal of 142572864 is 468275241.
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56559 + ... + 59025.
Almost surely, 2142572864 is an apocalyptic number.
142572864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142572864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220658944).
142572864 is an abundant number, since it is smaller than the sum of its proper divisors (298745024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142572864 is a wasteful number, since it uses less digits than its factorization.
142572864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2532 (or 2522 counting only the distinct ones).
The product of its digits is 107520, while the sum is 39.
The square root of 142572864 is about 11940.3879333965. The cubic root of 142572864 is about 522.4109738968.
The spelling of 142572864 in words is "one hundred forty-two million, five hundred seventy-two thousand, eight hundred sixty-four".
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