Base | Representation |
---|---|
bin | 1010001001010… |
… | …0011010111010 |
3 | 2222001210221212 |
4 | 2202110122322 |
5 | 41343112340 |
6 | 4120003122 |
7 | 1024451210 |
oct | 242243272 |
9 | 88053855 |
10 | 42550970 |
11 | 220231a0 |
12 | 123004a2 |
13 | 8a7a9b7 |
14 | 5918cb0 |
15 | 3b07a65 |
hex | 28946ba |
42550970 has 64 divisors (see below), whose sum is σ = 96926976. Its totient is φ = 13063680.
The previous prime is 42550957. The next prime is 42550993. The reversal of 42550970 is 7905524.
42550970 = T125 + T126 + ... + T635.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55832 + ... + 56588.
It is an arithmetic number, because the mean of its divisors is an integer number (1514484).
Almost surely, 242550970 is an apocalyptic number.
42550970 is an abundant number, since it is smaller than the sum of its proper divisors (54376006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42550970 is a wasteful number, since it uses less digits than its factorization.
42550970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 855.
The product of its (nonzero) digits is 12600, while the sum is 32.
The square root of 42550970 is about 6523.1104543768. The cubic root of 42550970 is about 349.1160551408.
The spelling of 42550970 in words is "forty-two million, five hundred fifty thousand, nine hundred seventy".
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