Base | Representation |
---|---|
bin | 11011110010101… |
… | …11100011100100 |
3 | 121020200212101102 |
4 | 31321113203210 |
5 | 434141030000 |
6 | 35045015232 |
7 | 5530451513 |
oct | 1571274344 |
9 | 536625342 |
10 | 233142500 |
11 | 10a66a458 |
12 | 660b4518 |
13 | 393bc756 |
14 | 22d6c67a |
15 | 157043d5 |
hex | de578e4 |
233142500 has 30 divisors (see below), whose sum is σ = 509841486. Its totient is φ = 93256000.
The previous prime is 233142473. The next prime is 233142527. The reversal of 233142500 is 5241332.
It is a happy number.
233142500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (233142473) and next prime (233142527).
It can be written as a sum of positive squares in 5 ways, for example, as 31899904 + 201242596 = 5648^2 + 14186^2 .
It is a super-3 number, since 3×2331425003 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44129 + ... + 49128.
Almost surely, 2233142500 is an apocalyptic number.
233142500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
233142500 is an abundant number, since it is smaller than the sum of its proper divisors (276698986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233142500 is an equidigital number, since it uses as much as digits as its factorization.
233142500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93281 (or 93264 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 233142500 is about 15269.0045517054. The cubic root of 233142500 is about 615.4703696601.
Adding to 233142500 its reverse (5241332), we get a palindrome (238383832).
The spelling of 233142500 in words is "two hundred thirty-three million, one hundred forty-two thousand, five hundred".
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