Base | Representation |
---|---|
bin | 1010101101110… |
… | …01001010100000 |
3 | 20021010202022200 |
4 | 11112321022200 |
5 | 141002344032 |
6 | 12530333200 |
7 | 2141013240 |
oct | 526711240 |
9 | 207122280 |
10 | 89887392 |
11 | 46814801 |
12 | 2612a200 |
13 | 1581290a |
14 | bd1bb20 |
15 | 7d5847c |
hex | 55b92a0 |
89887392 has 72 divisors (see below), whose sum is σ = 292140576. Its totient is φ = 25681536.
The previous prime is 89887387. The next prime is 89887403. The reversal of 89887392 is 29378898.
Added to its reverse (29378898) it gives a triangular number (119266290 = T15444).
It is a tau number, because it is divible by the number of its divisors (72).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20278 + ... + 24309.
It is an arithmetic number, because the mean of its divisors is an integer number (4057508).
Almost surely, 289887392 is an apocalyptic number.
It is an amenable number.
89887392 is an abundant number, since it is smaller than the sum of its proper divisors (202253184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89887392 is a wasteful number, since it uses less digits than its factorization.
89887392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44610 (or 44599 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 54.
The square root of 89887392 is about 9480.8961601739. The cubic root of 89887392 is about 447.9534921959.
Adding to 89887392 its reverse (29378898), we get a triangular number (119266290 = T15444).
The spelling of 89887392 in words is "eighty-nine million, eight hundred eighty-seven thousand, three hundred ninety-two".
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