Base | Representation |
---|---|
bin | 1010100110000… |
… | …00111000011011 |
3 | 20012020002022022 |
4 | 11103000320123 |
5 | 140222323202 |
6 | 12452445055 |
7 | 2126246312 |
oct | 523007033 |
9 | 205202268 |
10 | 88870427 |
11 | 4618a738 |
12 | 2591978b |
13 | 15547a69 |
14 | bb35279 |
15 | 7c06ea2 |
hex | 54c0e1b |
88870427 has 4 divisors (see below), whose sum is σ = 89156496. Its totient is φ = 88584360.
The previous prime is 88870423. The next prime is 88870433. The reversal of 88870427 is 72407888.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 88870427 - 22 = 88870423 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (88870423) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142568 + ... + 143189.
It is an arithmetic number, because the mean of its divisors is an integer number (22289124).
Almost surely, 288870427 is an apocalyptic number.
88870427 is a deficient number, since it is larger than the sum of its proper divisors (286069).
88870427 is a wasteful number, since it uses less digits than its factorization.
88870427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286068.
The product of its (nonzero) digits is 200704, while the sum is 44.
The square root of 88870427 is about 9427.1112754650. Note that the first 3 decimals coincide. The cubic root of 88870427 is about 446.2577337569.
The spelling of 88870427 in words is "eighty-eight million, eight hundred seventy thousand, four hundred twenty-seven".
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