Base | Representation |
---|---|
bin | 1010000010100… |
… | …0110110101100 |
3 | 2221020102120201 |
4 | 2200220312230 |
5 | 41240013010 |
6 | 4102323244 |
7 | 1020634534 |
oct | 240506654 |
9 | 87212521 |
10 | 42110380 |
11 | 21852174 |
12 | 12129524 |
13 | 89552b0 |
14 | 58424c4 |
15 | 3a6c23a |
hex | 2828dac |
42110380 has 48 divisors (see below), whose sum is σ = 95961600. Its totient is φ = 15429888.
The previous prime is 42110347. The next prime is 42110381. The reversal of 42110380 is 8301124.
It is not an unprimeable number, because it can be changed into a prime (42110381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38197 + ... + 39283.
It is an arithmetic number, because the mean of its divisors is an integer number (1999200).
Almost surely, 242110380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42110380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47980800).
42110380 is an abundant number, since it is smaller than the sum of its proper divisors (53851220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42110380 is a wasteful number, since it uses less digits than its factorization.
42110380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1258 (or 1256 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 42110380 is about 6489.2511124166. The cubic root of 42110380 is about 347.9069090853.
It can be divided in two parts, 421 and 10380, that added together give a palindrome (10801).
The spelling of 42110380 in words is "forty-two million, one hundred ten thousand, three hundred eighty".
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