Base | Representation |
---|---|
bin | 11011110010100… |
… | …10001010011100 |
3 | 121020122202002100 |
4 | 31321102022130 |
5 | 434134323122 |
6 | 35044325100 |
7 | 5530330230 |
oct | 1571221234 |
9 | 536582070 |
10 | 233120412 |
11 | 10a6548a8 |
12 | 660a3790 |
13 | 393b2695 |
14 | 22d645c0 |
15 | 156ecaac |
hex | de5229c |
233120412 has 36 divisors (see below), whose sum is σ = 673459696. Its totient is φ = 66605760.
The previous prime is 233120399. The next prime is 233120413. The reversal of 233120412 is 214021332.
233120412 is a `hidden beast` number, since 233 + 1 + 20 + 412 = 666.
233120412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×2331204123 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (233120413) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462289 + ... + 462792.
Almost surely, 2233120412 is an apocalyptic number.
It is an amenable number.
233120412 is an abundant number, since it is smaller than the sum of its proper divisors (440339284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233120412 is a wasteful number, since it uses less digits than its factorization.
233120412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 925098 (or 925093 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 233120412 is about 15268.2812392227. The cubic root of 233120412 is about 615.4509324220.
Adding to 233120412 its reverse (214021332), we get a palindrome (447141744).
The spelling of 233120412 in words is "two hundred thirty-three million, one hundred twenty thousand, four hundred twelve".
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