Base | Representation |
---|---|
bin | 1010001010100101… |
… | …1100110001100110 |
3 | 21001011200010020210 |
4 | 2202221130301212 |
5 | 21042031243013 |
6 | 1130435040250 |
7 | 124423126353 |
oct | 24251346146 |
9 | 7034603223 |
10 | 2728774758 |
11 | 118035a956 |
12 | 641a40086 |
13 | 34644cb28 |
14 | 1bc5a362a |
15 | 10e86acc3 |
hex | a2a5cc66 |
2728774758 has 8 divisors (see below), whose sum is σ = 5457549528. Its totient is φ = 909591584.
The previous prime is 2728774757. The next prime is 2728774759. The reversal of 2728774758 is 8574778272.
It is an interprime number because it is at equal distance from previous prime (2728774757) and next prime (2728774759).
It is a sphenic number, since it is the product of 3 distinct primes.
2728774758 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 2728774698 and 2728774707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2728774757) 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, 227397891 + ... + 227397902.
It is an arithmetic number, because the mean of its divisors is an integer number (682193691).
Almost surely, 22728774758 is an apocalyptic number.
2728774758 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2728774758 is a wasteful number, since it uses less digits than its factorization.
2728774758 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454795798.
The product of its digits is 12293120, while the sum is 57.
The square root of 2728774758 is about 52237.6756565604. The cubic root of 2728774758 is about 1397.4058693024.
The spelling of 2728774758 in words is "two billion, seven hundred twenty-eight million, seven hundred seventy-four thousand, seven hundred fifty-eight".
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