Base | Representation |
---|---|
bin | 1010001011111… |
… | …1100111010000 |
3 | 2222101210122101 |
4 | 2202333213100 |
5 | 41414243023 |
6 | 4123450144 |
7 | 1026116050 |
oct | 242774720 |
9 | 88353571 |
10 | 42727888 |
11 | 22134105 |
12 | 12386954 |
13 | 8b10398 |
14 | 5963560 |
15 | 3b401ad |
hex | 28bf9d0 |
42727888 has 40 divisors (see below), whose sum is σ = 96636672. Its totient is φ = 17920128.
The previous prime is 42727879. The next prime is 42727901. The reversal of 42727888 is 88872724.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206 + ... + 9322.
Almost surely, 242727888 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42727888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48318336).
42727888 is an abundant number, since it is smaller than the sum of its proper divisors (53908784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42727888 is a wasteful number, since it uses less digits than its factorization.
42727888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8179 (or 8173 counting only the distinct ones).
The product of its digits is 401408, while the sum is 46.
The square root of 42727888 is about 6536.6572496957. The cubic root of 42727888 is about 349.5992365236.
The spelling of 42727888 in words is "forty-two million, seven hundred twenty-seven thousand, eight hundred eighty-eight".
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