Base | Representation |
---|---|
bin | 10010010000110000100110 |
3 | 100000012212010 |
4 | 102100300212 |
5 | 2211142423 |
6 | 250335050 |
7 | 55455651 |
oct | 22206046 |
9 | 10005763 |
10 | 4787238 |
11 | 277a7a5 |
12 | 172a486 |
13 | cb7cb1 |
14 | 8c8898 |
15 | 648693 |
hex | 490c26 |
4787238 has 16 divisors (see below), whose sum is σ = 9601200. Its totient is φ = 1591296.
The previous prime is 4787231. The next prime is 4787239. The reversal of 4787238 is 8327874.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 4787196 and 4787205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4787231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806 + ... + 3582.
It is an arithmetic number, because the mean of its divisors is an integer number (600075).
Almost surely, 24787238 is an apocalyptic number.
4787238 is an abundant number, since it is smaller than the sum of its proper divisors (4813962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4787238 is a wasteful number, since it uses less digits than its factorization.
4787238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2231.
The product of its digits is 75264, while the sum is 39.
The square root of 4787238 is about 2187.9757768312. The cubic root of 4787238 is about 168.5369019314.
It can be divided in two parts, 478723 and 8, that added together give a triangular number (478731 = T978).
The spelling of 4787238 in words is "four million, seven hundred eighty-seven thousand, two hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.152 sec. • engine limits •