Base | Representation |
---|---|
bin | 1010011110011… |
… | …01101010110000 |
3 | 20010100110202220 |
4 | 11033031222300 |
5 | 134443433344 |
6 | 12415241040 |
7 | 2114630034 |
oct | 517155260 |
9 | 203313686 |
10 | 87874224 |
11 | 4566a229 |
12 | 25519180 |
13 | 152894a9 |
14 | b9561c4 |
15 | 7aabc19 |
hex | 53cdab0 |
87874224 has 80 divisors (see below), whose sum is σ = 242743392. Its totient is φ = 27295744.
The previous prime is 87874219. The next prime is 87874229. The reversal of 87874224 is 42247878.
It is an interprime number because it is at equal distance from previous prime (87874219) and next prime (87874229).
It is not an unprimeable number, because it can be changed into a prime (87874229) 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, 91732 + ... + 92684.
Almost surely, 287874224 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 87874224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121371696).
87874224 is an abundant number, since it is smaller than the sum of its proper divisors (154869168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87874224 is a wasteful number, since it uses less digits than its factorization.
87874224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1094 (or 1088 counting only the distinct ones).
The product of its digits is 200704, while the sum is 42.
The square root of 87874224 is about 9374.1252391890. The cubic root of 87874224 is about 444.5840054678.
The spelling of 87874224 in words is "eighty-seven million, eight hundred seventy-four thousand, two hundred twenty-four".
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