Base | Representation |
---|---|
bin | 1010100011001… |
… | …01001100101010 |
3 | 20011112000011112 |
4 | 11101211030222 |
5 | 140123314030 |
6 | 12440430322 |
7 | 2123123411 |
oct | 521451452 |
9 | 204460145 |
10 | 88494890 |
11 | 45a53580 |
12 | 257783a2 |
13 | 15445b53 |
14 | ba78478 |
15 | 7b80a95 |
hex | 546532a |
88494890 has 32 divisors (see below), whose sum is σ = 177479424. Its totient is φ = 31493440.
The previous prime is 88494881. The next prime is 88494893. The reversal of 88494890 is 9849488.
It is a happy number.
It is a super-2 number, since 2×884948902 = 15662691112224200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (88494893) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3389 + ... + 13728.
It is an arithmetic number, because the mean of its divisors is an integer number (5546232).
Almost surely, 288494890 is an apocalyptic number.
88494890 is an abundant number, since it is smaller than the sum of its proper divisors (88984534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88494890 is a wasteful number, since it uses less digits than its factorization.
88494890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17182.
The product of its (nonzero) digits is 663552, while the sum is 50.
The square root of 88494890 is about 9407.1722637571. The cubic root of 88494890 is about 445.6282671403.
The spelling of 88494890 in words is "eighty-eight million, four hundred ninety-four thousand, eight hundred ninety".
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