Base | Representation |
---|---|
bin | 1010100000101… |
… | …10011101100011 |
3 | 20010220121202222 |
4 | 11100112131203 |
5 | 140033004022 |
6 | 12425501255 |
7 | 2120311232 |
oct | 520263543 |
9 | 203817688 |
10 | 88172387 |
11 | 45853246 |
12 | 2564182b |
13 | 15362114 |
14 | b9d2b19 |
15 | 7b1a242 |
hex | 5416763 |
88172387 has 8 divisors (see below), whose sum is σ = 94233456. Its totient is φ = 82208512.
The previous prime is 88172377. The next prime is 88172411. The reversal of 88172387 is 78327188.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-88172387 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (88172327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22418 + ... + 26055.
It is an arithmetic number, because the mean of its divisors is an integer number (11779182).
Almost surely, 288172387 is an apocalyptic number.
88172387 is a deficient number, since it is larger than the sum of its proper divisors (6061069).
88172387 is a wasteful number, since it uses less digits than its factorization.
88172387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48597.
The product of its digits is 150528, while the sum is 44.
The square root of 88172387 is about 9390.0152822027. The cubic root of 88172387 is about 445.0862720416.
The spelling of 88172387 in words is "eighty-eight million, one hundred seventy-two thousand, three hundred eighty-seven".
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