Base | Representation |
---|---|
bin | 1010001000101… |
… | …1000000011011 |
3 | 2221222212001202 |
4 | 2202023000123 |
5 | 41340344121 |
6 | 4115104415 |
7 | 1024230614 |
oct | 242130033 |
9 | 87885052 |
10 | 42512411 |
11 | 21aa7227 |
12 | 122a210b |
13 | 8a66296 |
14 | 5908c0b |
15 | 3aeb40b |
hex | 288b01b |
42512411 has 4 divisors (see below), whose sum is σ = 42603912. Its totient is φ = 42420912.
The previous prime is 42512401. The next prime is 42512417. The reversal of 42512411 is 11421524.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 42512411 - 210 = 42511387 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42512417) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45050 + ... + 45983.
It is an arithmetic number, because the mean of its divisors is an integer number (10650978).
Almost surely, 242512411 is an apocalyptic number.
42512411 is a deficient number, since it is larger than the sum of its proper divisors (91501).
42512411 is an equidigital number, since it uses as much as digits as its factorization.
42512411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91500.
The product of its digits is 320, while the sum is 20.
The square root of 42512411 is about 6520.1542159676. The cubic root of 42512411 is about 349.0105688324.
Adding to 42512411 its reverse (11421524), we get a palindrome (53933935).
The spelling of 42512411 in words is "forty-two million, five hundred twelve thousand, four hundred eleven".
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