Base | Representation |
---|---|
bin | 11011110001110… |
… | …10111001110011 |
3 | 121020110220101201 |
4 | 31320322321303 |
5 | 434123301024 |
6 | 35042312031 |
7 | 5526452404 |
oct | 1570727163 |
9 | 536426351 |
10 | 233025139 |
11 | 10a59a266 |
12 | 66058617 |
13 | 3937b1c9 |
14 | 22d3b9ab |
15 | 156ce744 |
hex | de3ae73 |
233025139 has 6 divisors (see below), whose sum is σ = 245935500. Its totient is φ = 220760316.
The previous prime is 233025119. The next prime is 233025187. The reversal of 233025139 is 931520332.
It is a de Polignac number, because none of the positive numbers 2k-233025139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (233025119) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322389 + ... + 323110.
It is an arithmetic number, because the mean of its divisors is an integer number (40989250).
Almost surely, 2233025139 is an apocalyptic number.
233025139 is a deficient number, since it is larger than the sum of its proper divisors (12910361).
233025139 is an equidigital number, since it uses as much as digits as its factorization.
233025139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645537 (or 645518 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 28.
The square root of 233025139 is about 15265.1609555877. The cubic root of 233025139 is about 615.3670789806.
It can be divided in two parts, 23302 and 5139, that added together give a triangular number (28441 = T238).
The spelling of 233025139 in words is "two hundred thirty-three million, twenty-five thousand, one hundred thirty-nine".
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