Base | Representation |
---|---|
bin | 11011011011001… |
… | …01110011101011 |
3 | 121000220000100000 |
4 | 31231211303223 |
5 | 432343231042 |
6 | 34454514043 |
7 | 5462302500 |
oct | 1555456353 |
9 | 530800300 |
10 | 230055147 |
11 | 108950923 |
12 | 65065923 |
13 | 3887b40a |
14 | 227a74a7 |
15 | 152e474c |
hex | db65ceb |
230055147 has 54 divisors (see below), whose sum is σ = 403776828. Its totient is φ = 130514328.
The previous prime is 230055143. The next prime is 230055149. The reversal of 230055147 is 741550032.
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 is not a de Polignac number, because 230055147 - 22 = 230055143 is a prime.
It is a super-2 number, since 2×2300551472 = 105850741322383218, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 230055147.
It is not an unprimeable number, because it can be changed into a prime (230055143) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1655004 + ... + 1655142.
Almost surely, 2230055147 is an apocalyptic number.
230055147 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
230055147 is a deficient number, since it is larger than the sum of its proper divisors (173721681).
230055147 is an frugal number, since it uses more digits than its factorization.
230055147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307 (or 149 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 230055147 is about 15167.5689218807. The cubic root of 230055147 is about 612.7415319532.
Multiplying 230055147 by its sum of digits (27), we get a square (6211488969 = 788132).
230055147 divided by its sum of digits (27) gives a square (8520561 = 29192).
The spelling of 230055147 in words is "two hundred thirty million, fifty-five thousand, one hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.107 sec. • engine limits •