Base | Representation |
---|---|
bin | 1010011101011… |
… | …00001011100000 |
3 | 20010002111121121 |
4 | 11032230023200 |
5 | 134430041211 |
6 | 12412302024 |
7 | 2113516111 |
oct | 516541340 |
9 | 203074547 |
10 | 87737056 |
11 | 45586170 |
12 | 25471914 |
13 | 1523bc24 |
14 | b91c208 |
15 | 7a81271 |
hex | 53ac2e0 |
87737056 has 24 divisors (see below), whose sum is σ = 188436024. Its totient is φ = 39880320.
The previous prime is 87737053. The next prime is 87737107. The reversal of 87737056 is 65073778.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87737053) 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, 124275 + ... + 124978.
It is an arithmetic number, because the mean of its divisors is an integer number (7851501).
Almost surely, 287737056 is an apocalyptic number.
It is an amenable number.
87737056 is an abundant number, since it is smaller than the sum of its proper divisors (100698968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87737056 is a wasteful number, since it uses less digits than its factorization.
87737056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249274 (or 249266 counting only the distinct ones).
The product of its (nonzero) digits is 246960, while the sum is 43.
The square root of 87737056 is about 9366.8060725095. The cubic root of 87737056 is about 444.3525593011.
Subtracting from 87737056 its reverse (65073778), we obtain a triangular number (22663278 = T6732).
The spelling of 87737056 in words is "eighty-seven million, seven hundred thirty-seven thousand, fifty-six".
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