Search a number
-
+
228901318 = 2241474899
BaseRepresentation
bin11011010010011…
…00000111000110
3120221201101120121
431221030013012
5432044320233
634414052154
75446425532
oct1551140706
9527641517
10228901318
11108232a48
12647aa05a
1338566189
1422586bc2
151516792d
hexda4c1c6

228901318 has 8 divisors (see below), whose sum is σ = 344777400. Its totient is φ = 113975520.

The previous prime is 228901291. The next prime is 228901333. The reversal of 228901318 is 813109822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236968 + ... + 237931.

It is an arithmetic number, because the mean of its divisors is an integer number (43097175).

Almost surely, 2228901318 is an apocalyptic number.

228901318 is a deficient number, since it is larger than the sum of its proper divisors (115876082).

228901318 is a wasteful number, since it uses less digits than its factorization.

228901318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475142.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 228901318 is about 15129.4850540261. The cubic root of 228901318 is about 611.7154240333.

The spelling of 228901318 in words is "two hundred twenty-eight million, nine hundred one thousand, three hundred eighteen".

Divisors: 1 2 241 482 474899 949798 114450659 228901318