Base | Representation |
---|---|
bin | 11011110011001… |
… | …01011110110100 |
3 | 121020210202122000 |
4 | 31321211132310 |
5 | 434144341130 |
6 | 35050135300 |
7 | 5531110020 |
oct | 1571453664 |
9 | 536722560 |
10 | 233199540 |
11 | 10a6a92a2 |
12 | 66121530 |
13 | 3940c6c2 |
14 | 22d85380 |
15 | 15716260 |
hex | de657b4 |
233199540 has 384 divisors, whose sum is σ = 928972800. Its totient is φ = 47278080.
The previous prime is 233199517. The next prime is 233199563. The reversal of 233199540 is 45991332.
It is a happy number.
233199540 is a `hidden beast` number, since 23 + 3 + 1 + 99 + 540 = 666.
It is an interprime number because it is at equal distance from previous prime (233199517) and next prime (233199563).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 233199495 and 233199504.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1220845 + ... + 1221035.
It is an arithmetic number, because the mean of its divisors is an integer number (2419200).
Almost surely, 2233199540 is an apocalyptic number.
233199540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 233199540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464486400).
233199540 is an abundant number, since it is smaller than the sum of its proper divisors (695773260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233199540 is a wasteful number, since it uses less digits than its factorization.
233199540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 36.
The square root of 233199540 is about 15270.8722737112. The cubic root of 233199540 is about 615.5205586608.
The spelling of 233199540 in words is "two hundred thirty-three million, one hundred ninety-nine thousand, five hundred forty".
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