Base | Representation |
---|---|
bin | 1010000100000… |
… | …1101100001110 |
3 | 2221102121010111 |
4 | 2201001230032 |
5 | 41301241420 |
6 | 4104430234 |
7 | 1021540243 |
oct | 241015416 |
9 | 87377114 |
10 | 42212110 |
11 | 21911646 |
12 | 1217837a |
13 | 898c6a5 |
14 | 586b5ca |
15 | 3a8c45a |
hex | 2841b0e |
42212110 has 64 divisors (see below), whose sum is σ = 85017600. Its totient is φ = 15023232.
The previous prime is 42212047. The next prime is 42212113. The reversal of 42212110 is 1121224.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42212113) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258889 + ... + 259051.
It is an arithmetic number, because the mean of its divisors is an integer number (1328400).
Almost surely, 242212110 is an apocalyptic number.
42212110 is an abundant number, since it is smaller than the sum of its proper divisors (42805490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42212110 is a wasteful number, since it uses less digits than its factorization.
42212110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 265.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 42212110 is about 6497.0847308620. The cubic root of 42212110 is about 348.1868409189.
Adding to 42212110 its reverse (1121224), we get a palindrome (43333334).
It can be divided in two parts, 4221 and 2110, that multiplied together give a triangular number (8906310 = T4220).
The spelling of 42212110 in words is "forty-two million, two hundred twelve thousand, one hundred ten".
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