Base | Representation |
---|---|
bin | 110110111010… |
… | …1111001111110 |
3 | 2000011220121202 |
4 | 1231311321332 |
5 | 24332410434 |
6 | 2505055502 |
7 | 466514651 |
oct | 155657176 |
9 | 60156552 |
10 | 28794494 |
11 | 15287803 |
12 | 9787592 |
13 | 5c72381 |
14 | 3b77898 |
15 | 27dba7e |
hex | 1b75e7e |
28794494 has 8 divisors (see below), whose sum is σ = 43619688. Its totient is φ = 14254600.
The previous prime is 28794487. The next prime is 28794497. The reversal of 28794494 is 49449782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28794497) 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, 71072 + ... + 71475.
It is an arithmetic number, because the mean of its divisors is an integer number (5452461).
Almost surely, 228794494 is an apocalyptic number.
28794494 is a deficient number, since it is larger than the sum of its proper divisors (14825194).
28794494 is a wasteful number, since it uses less digits than its factorization.
28794494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142650.
The product of its digits is 580608, while the sum is 47.
The square root of 28794494 is about 5366.0501302168. The cubic root of 28794494 is about 306.5042379174.
The spelling of 28794494 in words is "twenty-eight million, seven hundred ninety-four thousand, four hundred ninety-four".
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