Base | Representation |
---|---|
bin | 10000010010001000… |
… | …00111001001111110 |
3 | 211120020121222201200 |
4 | 20021010013021332 |
5 | 120400423214142 |
6 | 4003243320330 |
7 | 426430560051 |
oct | 101104071176 |
9 | 24506558650 |
10 | 8742007422 |
11 | 37866a9625 |
12 | 183b8200a6 |
13 | a9419c975 |
14 | 5cd058a98 |
15 | 36271964c |
hex | 20910727e |
8742007422 has 12 divisors (see below), whose sum is σ = 18941016120. Its totient is φ = 2914002468.
The previous prime is 8742007397. The next prime is 8742007423. The reversal of 8742007422 is 2247002478.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8742007423) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 242833522 + ... + 242833557.
It is an arithmetic number, because the mean of its divisors is an integer number (1578418010).
Almost surely, 28742007422 is an apocalyptic number.
8742007422 is an abundant number, since it is smaller than the sum of its proper divisors (10199008698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8742007422 is a wasteful number, since it uses less digits than its factorization.
8742007422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 485667087 (or 485667084 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 36.
The square root of 8742007422 is about 93498.7027824451. The cubic root of 8742007422 is about 2060.0150360231.
The spelling of 8742007422 in words is "eight billion, seven hundred forty-two million, seven thousand, four hundred twenty-two".
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