Base | Representation |
---|---|
bin | 1010011000011… |
… | …11000111101010 |
3 | 20001212211011000 |
4 | 11030033013222 |
5 | 134243444423 |
6 | 12350415430 |
7 | 2105166414 |
oct | 514170752 |
9 | 201784130 |
10 | 87093738 |
11 | 451868a6 |
12 | 25201576 |
13 | 15075174 |
14 | b7d19b4 |
15 | 79a5843 |
hex | 530f1ea |
87093738 has 32 divisors (see below), whose sum is σ = 194414400. Its totient is φ = 28900368.
The previous prime is 87093719. The next prime is 87093749. The reversal of 87093738 is 83739078.
It is a junction number, because it is equal to n+sod(n) for n = 87093693 and 87093702.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8845 + ... + 15887.
It is an arithmetic number, because the mean of its divisors is an integer number (6075450).
Almost surely, 287093738 is an apocalyptic number.
87093738 is an abundant number, since it is smaller than the sum of its proper divisors (107320662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87093738 is a wasteful number, since it uses less digits than its factorization.
87093738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7283 (or 7277 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 87093738 is about 9332.4025845438. The cubic root of 87093738 is about 443.2638458689.
The spelling of 87093738 in words is "eighty-seven million, ninety-three thousand, seven hundred thirty-eight".
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