Base | Representation |
---|---|
bin | 1010011110001… |
… | …00000011001100 |
3 | 20010021110201210 |
4 | 11033010003030 |
5 | 134441203303 |
6 | 12414334420 |
7 | 2114404134 |
oct | 517040314 |
9 | 203243653 |
10 | 87834828 |
11 | 45642674 |
12 | 254ba410 |
13 | 15274593 |
14 | b945ac4 |
15 | 7aa0203 |
hex | 53c40cc |
87834828 has 12 divisors (see below), whose sum is σ = 204947960. Its totient is φ = 29278272.
The previous prime is 87834827. The next prime is 87834829. The reversal of 87834828 is 82843878.
It is an interprime number because it is at equal distance from previous prime (87834827) and next prime (87834829).
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (87834821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3659773 + ... + 3659796.
Almost surely, 287834828 is an apocalyptic number.
It is an amenable number.
87834828 is an abundant number, since it is smaller than the sum of its proper divisors (117113132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87834828 is a wasteful number, since it uses less digits than its factorization.
87834828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7319576 (or 7319574 counting only the distinct ones).
The product of its digits is 688128, while the sum is 48.
The square root of 87834828 is about 9372.0236875501. The cubic root of 87834828 is about 444.5175565185.
The spelling of 87834828 in words is "eighty-seven million, eight hundred thirty-four thousand, eight hundred twenty-eight".
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