Base | Representation |
---|---|
bin | 1010011010011… |
… | …01110101110010 |
3 | 20002100212112222 |
4 | 11031031311302 |
5 | 134330210032 |
6 | 12400121042 |
7 | 2110316411 |
oct | 515156562 |
9 | 202325488 |
10 | 87350642 |
11 | 45341915 |
12 | 25306182 |
13 | 15135092 |
14 | b85b478 |
15 | 7a06a12 |
hex | 534dd72 |
87350642 has 16 divisors (see below), whose sum is σ = 137445120. Its totient is φ = 41555712.
The previous prime is 87350633. The next prime is 87350651. The reversal of 87350642 is 24605378.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (87350633) and next prime (87350651).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959 + ... + 13797.
It is an arithmetic number, because the mean of its divisors is an integer number (8590320).
Almost surely, 287350642 is an apocalyptic number.
87350642 is a deficient number, since it is larger than the sum of its proper divisors (50094478).
87350642 is a wasteful number, since it uses less digits than its factorization.
87350642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10057.
The product of its (nonzero) digits is 40320, while the sum is 35.
The square root of 87350642 is about 9346.1565362453. The cubic root of 87350642 is about 443.6992559313.
It can be divided in two parts, 873 and 50642, that added together give a palindrome (51515).
The spelling of 87350642 in words is "eighty-seven million, three hundred fifty thousand, six hundred forty-two".
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