Base | Representation |
---|---|
bin | 11011110010101… |
… | …00100000011111 |
3 | 121020200020021000 |
4 | 31321110200133 |
5 | 434140130030 |
6 | 35044441343 |
7 | 5530400226 |
oct | 1571244037 |
9 | 536606230 |
10 | 233130015 |
11 | 10a661038 |
12 | 660a9253 |
13 | 393b6b71 |
14 | 22d67cbd |
15 | 15700860 |
hex | de5481f |
233130015 has 32 divisors (see below), whose sum is σ = 416318400. Its totient is φ = 123776640.
The previous prime is 233129989. The next prime is 233130017. The reversal of 233130015 is 510031332.
It is not a de Polignac number, because 233130015 - 27 = 233129887 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 233130015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (233130017) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27145 + ... + 34685.
It is an arithmetic number, because the mean of its divisors is an integer number (13009950).
Almost surely, 2233130015 is an apocalyptic number.
233130015 is a deficient number, since it is larger than the sum of its proper divisors (183188385).
233130015 is a wasteful number, since it uses less digits than its factorization.
233130015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7784 (or 7778 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The square root of 233130015 is about 15268.5957114595. The cubic root of 233130015 is about 615.4593831251.
Adding to 233130015 its reverse (510031332), we get a palindrome (743161347).
The spelling of 233130015 in words is "two hundred thirty-three million, one hundred thirty thousand, fifteen".
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