Base | Representation |
---|---|
bin | 1010001101110… |
… | …1001100101110 |
3 | 2222121221212121 |
4 | 2203131030232 |
5 | 41432132240 |
6 | 4130223154 |
7 | 1030132255 |
oct | 243351456 |
9 | 88557777 |
10 | 42849070 |
11 | 22207160 |
12 | 12424aba |
13 | 8b535a4 |
14 | 599579c |
15 | 3b6604a |
hex | 28dd32e |
42849070 has 32 divisors (see below), whose sum is σ = 86106240. Its totient is φ = 15217440.
The previous prime is 42849067. The next prime is 42849083. The reversal of 42849070 is 7094824.
It is a happy number.
It is a zygodrome in base 9.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 9259.
It is an arithmetic number, because the mean of its divisors is an integer number (2690820).
Almost surely, 242849070 is an apocalyptic number.
42849070 is an abundant number, since it is smaller than the sum of its proper divisors (43257170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42849070 is a wasteful number, since it uses less digits than its factorization.
42849070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9120.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 42849070 is about 6545.9201033926. The cubic root of 42849070 is about 349.9294279481.
The spelling of 42849070 in words is "forty-two million, eight hundred forty-nine thousand, seventy".
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