Base | Representation |
---|---|
bin | 1010011001100… |
… | …11100110001100 |
3 | 20002011102002201 |
4 | 11030303212030 |
5 | 134313240043 |
6 | 12353531244 |
7 | 2106361126 |
oct | 514634614 |
9 | 202142081 |
10 | 87243148 |
11 | 45279083 |
12 | 25273b24 |
13 | 150c8185 |
14 | b830216 |
15 | 79d4c4d |
hex | 533398c |
87243148 has 12 divisors (see below), whose sum is σ = 152803840. Its totient is φ = 43584912.
The previous prime is 87243113. The next prime is 87243157. The reversal of 87243148 is 84134278.
It is a super-2 number, since 2×872431482 = 15222733745899808, which contains 22 as substring.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
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, 3411 + ... + 13642.
Almost surely, 287243148 is an apocalyptic number.
It is an amenable number.
87243148 is a deficient number, since it is larger than the sum of its proper divisors (65560692).
87243148 is a wasteful number, since it uses less digits than its factorization.
87243148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18336 (or 18334 counting only the distinct ones).
The product of its digits is 43008, while the sum is 37.
The square root of 87243148 is about 9340.4040597824. The cubic root of 87243148 is about 443.5171752785.
The spelling of 87243148 in words is "eighty-seven million, two hundred forty-three thousand, one hundred forty-eight".
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