Base | Representation |
---|---|
bin | 1010011000000… |
… | …00100101110000 |
3 | 20001202210111210 |
4 | 11030000211300 |
5 | 134240043344 |
6 | 12345240120 |
7 | 2104531044 |
oct | 514004560 |
9 | 201683453 |
10 | 87034224 |
11 | 45146112 |
12 | 25193040 |
13 | 15054054 |
14 | b7b8024 |
15 | 7992db9 |
hex | 5300970 |
87034224 has 80 divisors (see below), whose sum is σ = 231985152. Its totient is φ = 28103424.
The previous prime is 87034217. The next prime is 87034229. The reversal of 87034224 is 42243078.
It is a super-2 number, since 2×870342242 = 15149912294564352, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87034191 and 87034200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87034229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390177 + ... + 390399.
Almost surely, 287034224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87034224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115992576).
87034224 is an abundant number, since it is smaller than the sum of its proper divisors (144950928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87034224 is a wasteful number, since it uses less digits than its factorization.
87034224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454 (or 448 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 30.
The square root of 87034224 is about 9329.2134716706. The cubic root of 87034224 is about 443.1628573008.
The spelling of 87034224 in words is "eighty-seven million, thirty-four thousand, two hundred twenty-four".
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