Base | Representation |
---|---|
bin | 1110101010101… |
… | …11010111101000 |
3 | 22120112010212120 |
4 | 13111113113220 |
5 | 222444310011 |
6 | 20113111240 |
7 | 3022555602 |
oct | 725272750 |
9 | 276463776 |
10 | 123041256 |
11 | 634a9798 |
12 | 35258520 |
13 | 1c6502a0 |
14 | 124ac172 |
15 | ac06a06 |
hex | 75575e8 |
123041256 has 32 divisors (see below), whose sum is σ = 331265760. Its totient is φ = 37858752.
The previous prime is 123041227. The next prime is 123041273. The reversal of 123041256 is 652140321.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 196870 + ... + 197493.
It is an arithmetic number, because the mean of its divisors is an integer number (10352055).
Almost surely, 2123041256 is an apocalyptic number.
It is an amenable number.
123041256 is an abundant number, since it is smaller than the sum of its proper divisors (208224504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123041256 is a wasteful number, since it uses less digits than its factorization.
123041256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394385 (or 394381 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 123041256 is about 11092.3963145932. The cubic root of 123041256 is about 497.3745797996.
Adding to 123041256 its reverse (652140321), we get a palindrome (775181577).
It can be divided in two parts, 1230 and 41256, that added together give a triangular number (42486 = T291).
The spelling of 123041256 in words is "one hundred twenty-three million, forty-one thousand, two hundred fifty-six".
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