Base | Representation |
---|---|
bin | 1010000001000… |
… | …0010110110110 |
3 | 2221001022221100 |
4 | 2200100112312 |
5 | 41223310123 |
6 | 4100230530 |
7 | 1020036150 |
oct | 240202666 |
9 | 87038840 |
10 | 42010038 |
11 | 21793844 |
12 | 1209b446 |
13 | 891b715 |
14 | 5817ad0 |
15 | 3a4c643 |
hex | 28105b6 |
42010038 has 48 divisors (see below), whose sum is σ = 107621280. Its totient is φ = 11587968.
The previous prime is 42010037. The next prime is 42010039. The reversal of 42010038 is 83001024.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (42010037) and next prime (42010039).
It is a super-2 number, since 2×420100382 = 3529686585522888, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 42010038.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42010037) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2095 + ... + 9402.
It is an arithmetic number, because the mean of its divisors is an integer number (2242110).
Almost surely, 242010038 is an apocalyptic number.
42010038 is an abundant number, since it is smaller than the sum of its proper divisors (65611242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42010038 is a wasteful number, since it uses less digits than its factorization.
42010038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11541 (or 11538 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 42010038 is about 6481.5151006536. The cubic root of 42010038 is about 347.6303546284.
The spelling of 42010038 in words is "forty-two million, ten thousand, thirty-eight".
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