Base | Representation |
---|---|
bin | 1010011101111… |
… | …00100000110100 |
3 | 20010012220101101 |
4 | 11032330200310 |
5 | 134434211311 |
6 | 12413535444 |
7 | 2114215132 |
oct | 516744064 |
9 | 203186341 |
10 | 87803956 |
11 | 45621459 |
12 | 254a4584 |
13 | 15263506 |
14 | b938752 |
15 | 7a95ec1 |
hex | 53bc834 |
87803956 has 12 divisors (see below), whose sum is σ = 153737892. Its totient is φ = 43878848.
The previous prime is 87803941. The next prime is 87803971. The reversal of 87803956 is 65930878.
It is an interprime number because it is at equal distance from previous prime (87803941) and next prime (87803971).
It can be written as a sum of positive squares in 2 ways, for example, as 2056356 + 85747600 = 1434^2 + 9260^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4986 + ... + 14158.
It is an arithmetic number, because the mean of its divisors is an integer number (12811491).
Almost surely, 287803956 is an apocalyptic number.
It is an amenable number.
87803956 is a deficient number, since it is larger than the sum of its proper divisors (65933936).
87803956 is a wasteful number, since it uses less digits than its factorization.
87803956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11570 (or 11568 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 46.
The square root of 87803956 is about 9370.3765132464. The cubic root of 87803956 is about 444.4654710515.
The spelling of 87803956 in words is "eighty-seven million, eight hundred three thousand, nine hundred fifty-six".
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