Base | Representation |
---|---|
bin | 1010000001000… |
… | …1100100111100 |
3 | 2221001120210110 |
4 | 2200101210330 |
5 | 41223440121 |
6 | 4100310020 |
7 | 1020056550 |
oct | 240214474 |
9 | 87046713 |
10 | 42015036 |
11 | 21797578 |
12 | 120a2310 |
13 | 8920a8b |
14 | 5819860 |
15 | 3a4dd76 |
hex | 281193c |
42015036 has 24 divisors (see below), whose sum is σ = 112040320. Its totient is φ = 12004272.
The previous prime is 42015019. The next prime is 42015047. The reversal of 42015036 is 63051024.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250006 + ... + 250173.
Almost surely, 242015036 is an apocalyptic number.
It is an amenable number.
42015036 is an abundant number, since it is smaller than the sum of its proper divisors (70025284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42015036 is a wasteful number, since it uses less digits than its factorization.
42015036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500193 (or 500191 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 42015036 is about 6481.9006471867. The cubic root of 42015036 is about 347.6441401242.
The spelling of 42015036 in words is "forty-two million, fifteen thousand, thirty-six".
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