Base | Representation |
---|---|
bin | 110101101100… |
… | …1001110110001 |
3 | 1221222022022120 |
4 | 1223121032301 |
5 | 24201342003 |
6 | 2443224453 |
7 | 461202666 |
oct | 153311661 |
9 | 57868276 |
10 | 28152753 |
11 | 14989642 |
12 | 9518129 |
13 | 5aa9245 |
14 | 3a4ba6d |
15 | 2711853 |
hex | 1ad93b1 |
28152753 has 4 divisors (see below), whose sum is σ = 37537008. Its totient is φ = 18768500.
The previous prime is 28152727. The next prime is 28152763. The reversal of 28152753 is 35725182.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 28152753 - 25 = 28152721 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28152763) 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, 4692123 + ... + 4692128.
It is an arithmetic number, because the mean of its divisors is an integer number (9384252).
Almost surely, 228152753 is an apocalyptic number.
It is an amenable number.
28152753 is a deficient number, since it is larger than the sum of its proper divisors (9384255).
28152753 is an equidigital number, since it uses as much as digits as its factorization.
28152753 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9384254.
The product of its digits is 16800, while the sum is 33.
The square root of 28152753 is about 5305.9167916582. The cubic root of 28152753 is about 304.2100961403.
The spelling of 28152753 in words is "twenty-eight million, one hundred fifty-two thousand, seven hundred fifty-three".
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