Base | Representation |
---|---|
bin | 10001000110011… |
… | …111100110100100 |
3 | 201222212210100202 |
4 | 101012133212210 |
5 | 1041422234410 |
6 | 44245330032 |
7 | 10052510552 |
oct | 2106374644 |
9 | 658783322 |
10 | 286914980 |
11 | 137a57520 |
12 | 80106918 |
13 | 47598ca1 |
14 | 2a168bd2 |
15 | 1a2c6ca5 |
hex | 1119f9a4 |
286914980 has 48 divisors (see below), whose sum is σ = 679976640. Its totient is φ = 100732800.
The previous prime is 286914973. The next prime is 286914989. The reversal of 286914980 is 89419682.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (286914989) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16106 + ... + 28865.
It is an arithmetic number, because the mean of its divisors is an integer number (14166180).
Almost surely, 2286914980 is an apocalyptic number.
286914980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
286914980 is an abundant number, since it is smaller than the sum of its proper divisors (393061660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
286914980 is a wasteful number, since it uses less digits than its factorization.
286914980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45020 (or 45018 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 47.
The square root of 286914980 is about 16938.5648742743. The cubic root of 286914980 is about 659.5550873527. Note that the first 3 decimals are identical.
The spelling of 286914980 in words is "two hundred eighty-six million, nine hundred fourteen thousand, nine hundred eighty".
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