Base | Representation |
---|---|
bin | 1010100100000… |
… | …00110011110110 |
3 | 20011201202022102 |
4 | 11102000303312 |
5 | 140140423430 |
6 | 12443102102 |
7 | 2124104222 |
oct | 522006366 |
9 | 204652272 |
10 | 88607990 |
11 | 46020549 |
12 | 25811932 |
13 | 15485483 |
14 | baa7782 |
15 | 7ba4345 |
hex | 5480cf6 |
88607990 has 16 divisors (see below), whose sum is σ = 162110160. Its totient is φ = 34861920.
The previous prime is 88607989. The next prime is 88607999. The reversal of 88607990 is 9970688.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88607999) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72020 + ... + 73239.
It is an arithmetic number, because the mean of its divisors is an integer number (10131885).
Almost surely, 288607990 is an apocalyptic number.
88607990 is a deficient number, since it is larger than the sum of its proper divisors (73502170).
88607990 is a wasteful number, since it uses less digits than its factorization.
88607990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145327.
The product of its (nonzero) digits is 217728, while the sum is 47.
The square root of 88607990 is about 9413.1817150207. The cubic root of 88607990 is about 445.8180298898.
The spelling of 88607990 in words is "eighty-eight million, six hundred seven thousand, nine hundred ninety".
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