Base | Representation |
---|---|
bin | 1010001011100… |
… | …1100100010000 |
3 | 2222100112200001 |
4 | 2202321210100 |
5 | 41412444440 |
6 | 4123135344 |
7 | 1025653615 |
oct | 242714420 |
9 | 88315601 |
10 | 42703120 |
11 | 22117539 |
12 | 12374554 |
13 | 8b02025 |
14 | 595850c |
15 | 3b37b9a |
hex | 28b9910 |
42703120 has 80 divisors (see below), whose sum is σ = 104421888. Its totient is φ = 16220160.
The previous prime is 42703117. The next prime is 42703121. The reversal of 42703120 is 2130724.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42703121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166032 + ... + 166288.
Almost surely, 242703120 is an apocalyptic number.
42703120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42703120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52210944).
42703120 is an abundant number, since it is smaller than the sum of its proper divisors (61718768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42703120 is a wasteful number, since it uses less digits than its factorization.
42703120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368 (or 362 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 42703120 is about 6534.7624287345. The cubic root of 42703120 is about 349.5316729414.
Adding to 42703120 its reverse (2130724), we get a palindrome (44833844).
The spelling of 42703120 in words is "forty-two million, seven hundred three thousand, one hundred twenty".
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