Base | Representation |
---|---|
bin | 110111000011… |
… | …1101110001100 |
3 | 2000022121201111 |
4 | 1232013232030 |
5 | 24342224333 |
6 | 2510421404 |
7 | 500240500 |
oct | 156075614 |
9 | 60277644 |
10 | 28867468 |
11 | 15327613 |
12 | 9801864 |
13 | 5c99656 |
14 | 3b96300 |
15 | 28034cd |
hex | 1b87b8c |
28867468 has 18 divisors (see below), whose sum is σ = 58766316. Its totient is φ = 12371688.
The previous prime is 28867429. The next prime is 28867471. The reversal of 28867468 is 86476882.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73446 + ... + 73837.
Almost surely, 228867468 is an apocalyptic number.
28867468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
28867468 is an abundant number, since it is smaller than the sum of its proper divisors (29898848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28867468 is a wasteful number, since it uses less digits than its factorization.
28867468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147301 (or 147292 counting only the distinct ones).
The product of its digits is 1032192, while the sum is 49.
The square root of 28867468 is about 5372.8454286346. The cubic root of 28867468 is about 306.7629444607.
The spelling of 28867468 in words is "twenty-eight million, eight hundred sixty-seven thousand, four hundred sixty-eight".
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