Base | Representation |
---|---|
bin | 11011110111011… |
… | …00010110000100 |
3 | 121021211211101021 |
4 | 31323230112010 |
5 | 434320030230 |
6 | 35110040524 |
7 | 5535600352 |
oct | 1573542604 |
9 | 537754337 |
10 | 233751940 |
11 | 10aa46324 |
12 | 66349144 |
13 | 39573c76 |
14 | 2308a7d2 |
15 | 157c4c7a |
hex | deec584 |
233751940 has 24 divisors (see below), whose sum is σ = 504147672. Its totient is φ = 90973440.
The previous prime is 233751937. The next prime is 233751961. The reversal of 233751940 is 49157332.
It can be written as a sum of positive squares in 4 ways, for example, as 37527876 + 196224064 = 6126^2 + 14008^2 .
It is a junction number, because it is equal to n+sod(n) for n = 233751896 and 233751905.
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, 157201 + ... + 158680.
It is an arithmetic number, because the mean of its divisors is an integer number (21006153).
Almost surely, 2233751940 is an apocalyptic number.
233751940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
233751940 is an abundant number, since it is smaller than the sum of its proper divisors (270395732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233751940 is a wasteful number, since it uses less digits than its factorization.
233751940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 315927 (or 315925 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 233751940 is about 15288.9482960732. The cubic root of 233751940 is about 616.0061877435.
The spelling of 233751940 in words is "two hundred thirty-three million, seven hundred fifty-one thousand, nine hundred forty".
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