Base | Representation |
---|---|
bin | 10001001110000… |
… | …011100110110100 |
3 | 202010121111210221 |
4 | 101032003212310 |
5 | 1042424204320 |
6 | 44400024124 |
7 | 10105405435 |
oct | 2116034664 |
9 | 663544727 |
10 | 288897460 |
11 | 139090a35 |
12 | 80902044 |
13 | 47b11457 |
14 | 2a52348c |
15 | 1a5693aa |
hex | 113839b4 |
288897460 has 24 divisors (see below), whose sum is σ = 607170816. Its totient is φ = 115466400.
The previous prime is 288897431. The next prime is 288897467. The reversal of 288897460 is 64798882.
It is a junction number, because it is equal to n+sod(n) for n = 288897398 and 288897407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (288897467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23385 + ... + 33535.
It is an arithmetic number, because the mean of its divisors is an integer number (25298784).
Almost surely, 2288897460 is an apocalyptic number.
288897460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
288897460 is an abundant number, since it is smaller than the sum of its proper divisors (318273356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
288897460 is a wasteful number, since it uses less digits than its factorization.
288897460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11583 (or 11581 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 52.
The square root of 288897460 is about 16996.9838500835. The cubic root of 288897460 is about 661.0706985840.
The spelling of 288897460 in words is "two hundred eighty-eight million, eight hundred ninety-seven thousand, four hundred sixty".
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