Base | Representation |
---|---|
bin | 10000110001100… |
… | …010010011000100 |
3 | 201121112200000212 |
4 | 100301202103010 |
5 | 1034020432441 |
6 | 43531454552 |
7 | 6655016243 |
oct | 2061422304 |
9 | 647480025 |
10 | 281420996 |
11 | 13494483a |
12 | 7a2b7458 |
13 | 463c43cc |
14 | 2953895a |
15 | 19a8deeb |
hex | 10c624c4 |
281420996 has 24 divisors (see below), whose sum is σ = 504060480. Its totient is φ = 137440800.
The previous prime is 281420987. The next prime is 281421011. The reversal of 281420996 is 699024182.
281420996 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
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, 26411 + ... + 35501.
It is an arithmetic number, because the mean of its divisors is an integer number (21002520).
Almost surely, 2281420996 is an apocalyptic number.
It is an amenable number.
281420996 is a deficient number, since it is larger than the sum of its proper divisors (222639484).
281420996 is a wasteful number, since it uses less digits than its factorization.
281420996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9275 (or 9273 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 281420996 is about 16775.6071723202. The cubic root of 281420996 is about 655.3181027762.
The spelling of 281420996 in words is "two hundred eighty-one million, four hundred twenty thousand, nine hundred ninety-six".
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