Base | Representation |
---|---|
bin | 1010100000011… |
… | …10000110101110 |
3 | 20010211212211020 |
4 | 11100032012232 |
5 | 140030410113 |
6 | 12425035010 |
7 | 2120106363 |
oct | 520160656 |
9 | 203755736 |
10 | 88138158 |
11 | 4582a559 |
12 | 25625a66 |
13 | 1534c674 |
14 | b9c446a |
15 | 7b10023 |
hex | 540e1ae |
88138158 has 8 divisors (see below), whose sum is σ = 176276328. Its totient is φ = 29379384.
The previous prime is 88138157. The next prime is 88138189. The reversal of 88138158 is 85183188.
It is a sphenic number, since it is the product of 3 distinct primes.
88138158 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88138157) 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, 7344841 + ... + 7344852.
It is an arithmetic number, because the mean of its divisors is an integer number (22034541).
Almost surely, 288138158 is an apocalyptic number.
88138158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88138158 is a wasteful number, since it uses less digits than its factorization.
88138158 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14689698.
The product of its digits is 61440, while the sum is 42.
The square root of 88138158 is about 9388.1924777883. The cubic root of 88138158 is about 445.0286696169.
The spelling of 88138158 in words is "eighty-eight million, one hundred thirty-eight thousand, one hundred fifty-eight".
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