Base | Representation |
---|---|
bin | 11101100101011… |
… | …00101000010100 |
3 | 122021222101122120 |
4 | 32302230220110 |
5 | 1002012433103 |
6 | 40343055540 |
7 | 6102263460 |
oct | 1662545024 |
9 | 567871576 |
10 | 248171028 |
11 | 1180a4626 |
12 | 6b1415b0 |
13 | 3c552081 |
14 | 24d614a0 |
15 | 16bc2253 |
hex | ecaca14 |
248171028 has 24 divisors (see below), whose sum is σ = 661789632. Its totient is φ = 70905984.
The previous prime is 248171023. The next prime is 248171029. The reversal of 248171028 is 820171842.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 248171028.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248171023) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1477125 + ... + 1477292.
It is an arithmetic number, because the mean of its divisors is an integer number (27574568).
Almost surely, 2248171028 is an apocalyptic number.
248171028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
248171028 is an abundant number, since it is smaller than the sum of its proper divisors (413618604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248171028 is a wasteful number, since it uses less digits than its factorization.
248171028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2954431 (or 2954429 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 33.
The square root of 248171028 is about 15753.4449565801. Note that the first 3 decimals coincide. The cubic root of 248171028 is about 628.4205231109.
The spelling of 248171028 in words is "two hundred forty-eight million, one hundred seventy-one thousand, twenty-eight".
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