Base | Representation |
---|---|
bin | 11011001011101… |
… | …11101001001011 |
3 | 120220002011210111 |
4 | 31211313221023 |
5 | 431333443201 |
6 | 34343255151 |
7 | 5436142363 |
oct | 1545675113 |
9 | 526064714 |
10 | 228031051 |
11 | 107799116 |
12 | 6444a4b7 |
13 | 38320021 |
14 | 223db9a3 |
15 | 15044b51 |
hex | d977a4b |
228031051 has 8 divisors (see below), whose sum is σ = 231192000. Its totient is φ = 224877120.
The previous prime is 228031043. The next prime is 228031057. The reversal of 228031051 is 150130822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 228031051 - 23 = 228031043 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (228031057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116025 + ... + 117973.
It is an arithmetic number, because the mean of its divisors is an integer number (28899000).
Almost surely, 2228031051 is an apocalyptic number.
228031051 is a deficient number, since it is larger than the sum of its proper divisors (3160949).
228031051 is a wasteful number, since it uses less digits than its factorization.
228031051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3509.
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 228031051 is about 15100.6970368920. The cubic root of 228031051 is about 610.9392062288.
Adding to 228031051 its reverse (150130822), we get a palindrome (378161873).
The spelling of 228031051 in words is "two hundred twenty-eight million, thirty-one thousand, fifty-one".
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