Base | Representation |
---|---|
bin | 1010011001100… |
… | …11110110110000 |
3 | 20002011110112222 |
4 | 11030303312300 |
5 | 134313303313 |
6 | 12353540212 |
7 | 2106364202 |
oct | 514636660 |
9 | 202143488 |
10 | 87244208 |
11 | 45279957 |
12 | 25274668 |
13 | 150c87bc |
14 | b830772 |
15 | 79d5208 |
hex | 5333db0 |
87244208 has 40 divisors (see below), whose sum is σ = 172355040. Its totient is φ = 42775040.
The previous prime is 87244207. The next prime is 87244211. The reversal of 87244208 is 80244278.
It is a super-2 number, since 2×872442082 = 15223103659094528, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87244207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280373 + ... + 280683.
It is an arithmetic number, because the mean of its divisors is an integer number (4308876).
Almost surely, 287244208 is an apocalyptic number.
It is an amenable number.
87244208 is a deficient number, since it is larger than the sum of its proper divisors (85110832).
87244208 is a wasteful number, since it uses less digits than its factorization.
87244208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 605 (or 599 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 35.
The square root of 87244208 is about 9340.4608023373. The cubic root of 87244208 is about 443.5189715086.
The spelling of 87244208 in words is "eighty-seven million, two hundred forty-four thousand, two hundred eight".
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