Base | Representation |
---|---|
bin | 1010000101001… |
… | …1100110110100 |
3 | 2221120022210100 |
4 | 2201103212310 |
5 | 41311113432 |
6 | 4110154100 |
7 | 1022264214 |
oct | 241234664 |
9 | 87508710 |
10 | 42285492 |
11 | 21961797 |
12 | 121b2930 |
13 | 89b6c02 |
14 | 588a244 |
15 | 3aa407c |
hex | 28539b4 |
42285492 has 36 divisors (see below), whose sum is σ = 107110276. Its totient is φ = 14065920.
The previous prime is 42285491. The next prime is 42285493. The reversal of 42285492 is 29458224.
It is an interprime number because it is at equal distance from previous prime (42285491) and next prime (42285493).
It can be written as a sum of positive squares in 2 ways, for example, as 27815076 + 14470416 = 5274^2 + 3804^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42285491) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22908 + ... + 24684.
Almost surely, 242285492 is an apocalyptic number.
It is an amenable number.
42285492 is an abundant number, since it is smaller than the sum of its proper divisors (64824784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42285492 is a wasteful number, since it uses less digits than its factorization.
42285492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2448 (or 2443 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 42285492 is about 6502.7295807222. The cubic root of 42285492 is about 348.3884880702.
The spelling of 42285492 in words is "forty-two million, two hundred eighty-five thousand, four hundred ninety-two".
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