Base | Representation |
---|---|
bin | 1010011100011… |
… | …11101000111000 |
3 | 20002212120020211 |
4 | 11032033220320 |
5 | 134412321102 |
6 | 12410000504 |
7 | 2112521224 |
oct | 516175070 |
9 | 202776224 |
10 | 87620152 |
11 | 45506354 |
12 | 25416134 |
13 | 151ca959 |
14 | b8cb784 |
15 | 7a5b7d7 |
hex | 538fa38 |
87620152 has 8 divisors (see below), whose sum is σ = 164287800. Its totient is φ = 43810072.
The previous prime is 87620147. The next prime is 87620171. The reversal of 87620152 is 25102678.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5476252 + ... + 5476267.
It is an arithmetic number, because the mean of its divisors is an integer number (20535975).
Almost surely, 287620152 is an apocalyptic number.
It is an amenable number.
87620152 is a deficient number, since it is larger than the sum of its proper divisors (76667648).
87620152 is a wasteful number, since it uses less digits than its factorization.
87620152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10952525 (or 10952521 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 87620152 is about 9360.5636582420. The cubic root of 87620152 is about 444.1551144856.
The spelling of 87620152 in words is "eighty-seven million, six hundred twenty thousand, one hundred fifty-two".
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