Base | Representation |
---|---|
bin | 110110110101… |
… | …0010011110100 |
3 | 2000002111110120 |
4 | 1231222103310 |
5 | 24324400441 |
6 | 2504051540 |
7 | 466226325 |
oct | 155522364 |
9 | 60074416 |
10 | 28746996 |
11 | 15255053 |
12 | 9763bb0 |
13 | 5c56875 |
14 | 3b6444c |
15 | 27cc966 |
hex | 1b6a4f4 |
28746996 has 12 divisors (see below), whose sum is σ = 67076352. Its totient is φ = 9582328.
The previous prime is 28746989. The next prime is 28746997. The reversal of 28746996 is 69964782.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28746997) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197780 + ... + 1197803.
It is an arithmetic number, because the mean of its divisors is an integer number (5589696).
Almost surely, 228746996 is an apocalyptic number.
It is an amenable number.
28746996 is an abundant number, since it is smaller than the sum of its proper divisors (38329356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28746996 is a wasteful number, since it uses less digits than its factorization.
28746996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2395590 (or 2395588 counting only the distinct ones).
The product of its digits is 1306368, while the sum is 51.
The square root of 28746996 is about 5361.6225156197. The cubic root of 28746996 is about 306.3356136595.
It can be divided in two parts, 2874 and 6996, that added together give a triangular number (9870 = T140).
The spelling of 28746996 in words is "twenty-eight million, seven hundred forty-six thousand, nine hundred ninety-six".
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