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228304326 = 2338050721
BaseRepresentation
bin11011001101110…
…10010111000110
3120220121001122210
431212322113012
5431421214301
634353204250
75441361165
oct1546722706
9526531583
10228304326
11107965468
1264560686
13383b7523
142246d3dc
151509aad6
hexd9ba5c6

228304326 has 8 divisors (see below), whose sum is σ = 456608664. Its totient is φ = 76101440.

The previous prime is 228304291. The next prime is 228304331. The reversal of 228304326 is 623403822.

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

228304326 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228304293 and 228304302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19025355 + ... + 19025366.

It is an arithmetic number, because the mean of its divisors is an integer number (57076083).

Almost surely, 2228304326 is an apocalyptic number.

228304326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228304326 is a wasteful number, since it uses less digits than its factorization.

228304326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38050726.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 228304326 is about 15109.7427509538. The cubic root of 228304326 is about 611.1831609620.

The spelling of 228304326 in words is "two hundred twenty-eight million, three hundred four thousand, three hundred twenty-six".

Divisors: 1 2 3 6 38050721 76101442 114152163 228304326