Base | Representation |
---|---|
bin | 1010000010010… |
… | …10001011111100 |
3 | 12212102021220020 |
4 | 11001022023330 |
5 | 133023034243 |
6 | 12204252140 |
7 | 2041413513 |
oct | 501121374 |
9 | 185367806 |
10 | 84189948 |
11 | 43583177 |
12 | 24241050 |
13 | 1459954b |
14 | b27767a |
15 | 75d0283 |
hex | 504a2fc |
84189948 has 24 divisors (see below), whose sum is σ = 201753552. Its totient is φ = 27304704.
The previous prime is 84189869. The next prime is 84189949. The reversal of 84189948 is 84998148.
It is a self number, because there is not a number n which added to its sum of digits gives 84189948.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84189949) 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, 94365 + ... + 95252.
It is an arithmetic number, because the mean of its divisors is an integer number (8406398).
Almost surely, 284189948 is an apocalyptic number.
It is an amenable number.
84189948 is an abundant number, since it is smaller than the sum of its proper divisors (117563604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84189948 is a wasteful number, since it uses less digits than its factorization.
84189948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189661 (or 189659 counting only the distinct ones).
The product of its digits is 663552, while the sum is 51.
The square root of 84189948 is about 9175.5080513288. The cubic root of 84189948 is about 438.2817769443.
The spelling of 84189948 in words is "eighty-four million, one hundred eighty-nine thousand, nine hundred forty-eight".
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