Base | Representation |
---|---|
bin | 1111111101101010… |
… | …0101001000000000 |
3 | 102001122021120112102 |
4 | 3333122211020000 |
5 | 32234000023023 |
6 | 1545113445532 |
7 | 211122145454 |
oct | 37732451000 |
9 | 12048246472 |
10 | 4285157888 |
11 | 18a9950600 |
12 | 9b71108a8 |
13 | 533a239ab |
14 | 2c9182664 |
15 | 1a1301628 |
hex | ff6a5200 |
4285157888 has 90 divisors (see below), whose sum is σ = 9446984547. Its totient is φ = 1940392960.
The previous prime is 4285157881. The next prime is 4285157911. The reversal of 4285157888 is 8887515824.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 2142578944 + 2142578944 = 46288^2 + 46288^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=46288.
It is not an unprimeable number, because it can be changed into a prime (4285157881) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16293245 + ... + 16293507.
Almost surely, 24285157888 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4285157888
4285157888 is an abundant number, since it is smaller than the sum of its proper divisors (5161826659).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4285157888 is an frugal number, since it uses more digits than its factorization.
4285157888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 566 (or 276 counting only the distinct ones).
The product of its digits is 5734400, while the sum is 56.
The square root of 4285157888 is about 65461.1173751258. The cubic root of 4285157888 is about 1624.2602250703.
The spelling of 4285157888 in words is "four billion, two hundred eighty-five million, one hundred fifty-seven thousand, eight hundred eighty-eight".
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