Base | Representation |
---|---|
bin | 110100001001011… |
… | …100001110010000 |
3 | 2020222021000122002 |
4 | 310021130032100 |
5 | 3242432441003 |
6 | 222451533132 |
7 | 30452305040 |
oct | 6411341620 |
9 | 2228230562 |
10 | 874890128 |
11 | 4099419a2 |
12 | 204bba1a8 |
13 | 10c344488 |
14 | 842a1720 |
15 | 51c1ba88 |
hex | 3425c390 |
874890128 has 40 divisors (see below), whose sum is σ = 1944220800. Its totient is φ = 373605120.
The previous prime is 874890119. The next prime is 874890139. The reversal of 874890128 is 821098478.
It is a super-3 number, since 3×8748901283 (a number of 28 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17573 + ... + 45371.
It is an arithmetic number, because the mean of its divisors is an integer number (48605520).
Almost surely, 2874890128 is an apocalyptic number.
It is an amenable number.
874890128 is an abundant number, since it is smaller than the sum of its proper divisors (1069330672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
874890128 is a wasteful number, since it uses less digits than its factorization.
874890128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28095 (or 28089 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 47.
The square root of 874890128 is about 29578.5416814284. The cubic root of 874890128 is about 956.4255558866.
The spelling of 874890128 in words is "eight hundred seventy-four million, eight hundred ninety thousand, one hundred twenty-eight".
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