Base | Representation |
---|---|
bin | 1010000011001… |
… | …0110100111110 |
3 | 2221022111121200 |
4 | 2200302310332 |
5 | 41242314410 |
6 | 4103240330 |
7 | 1021164612 |
oct | 240626476 |
9 | 87274550 |
10 | 42151230 |
11 | 2187a930 |
12 | 121490a6 |
13 | 896aa74 |
14 | 5853342 |
15 | 3a793c0 |
hex | 2832d3e |
42151230 has 48 divisors (see below), whose sum is σ = 119559024. Its totient is φ = 10218240.
The previous prime is 42151229. The next prime is 42151231. The reversal of 42151230 is 3215124.
42151230 is digitally balanced in base 2, 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 (42151229) and next prime (42151231).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42151231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20299 + ... + 22278.
It is an arithmetic number, because the mean of its divisors is an integer number (2490813).
Almost surely, 242151230 is an apocalyptic number.
42151230 is an abundant number, since it is smaller than the sum of its proper divisors (77407794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42151230 is a wasteful number, since it uses less digits than its factorization.
42151230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42601 (or 42598 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 42151230 is about 6492.3978621154. The cubic root of 42151230 is about 348.0193707014.
Adding to 42151230 its reverse (3215124), we get a palindrome (45366354).
It can be divided in two parts, 4215 and 1230, that added together give a palindrome (5445).
The spelling of 42151230 in words is "forty-two million, one hundred fifty-one thousand, two hundred thirty".
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